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Updated Mar 20, 2026
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Entenda os Verbos Modais em Inglês
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Introdução aos Verbos Modais
Os verbos modais modificam o significado do verbo principal para expressar diferentes intenções na comunicação. Você vai perceber que eles são super úteis para tornar seu inglês mais natural!
'Can' é um dos modais mais usados no dia a dia. Você pode usá-lo para expressar habilidade (I can speak English), permissão (Can I go to the cinema?), fazer pedidos (Can you wait a moment?) ou ofertas (I can lend you my car).
'Could' é a forma passada de 'can', mas também serve para tornar seu inglês mais educado. Use-o para falar de habilidades no passado (I could speak English when I was five), fazer pedidos mais educados (Could you help me?) ou sugerir algo de forma mais gentil.
💡 Dica: Usar 'could' em vez de 'can' em pedidos torna sua fala mais educada e aumenta suas chances de receber uma resposta positiva!
May e Might
'May' é um modal mais formal que 'can'. Você vai usá-lo principalmente para expressar possibilidade (It may rain today) ou permissão formal (May I go to the cinema?).
'Might' é semelhante ao 'may', mas indica uma possibilidade menor. Quando você diz "It might rain" está sugerindo que a chance é menor do que se dissesse "It may rain". Use-o quando algo é possível, mas não muito provável.
'Must' é o modal que expressa obrigação forte ou necessidade. Quando você diz "I must study" está indicando algo que é absolutamente necessário fazer. Também pode indicar alta probabilidade (You must be tired after that long trip).
'Must not' e 'May not' são usados para proibições, mas com intensidades diferentes. 'Must not' é mais enérgico e definitivo , enquanto 'May not' soa um pouco menos severo.
💡 Lembre-se: 'Must' para obrigações é como um comando interno (algo que você sabe que precisa fazer), enquanto 'have to' (que não é um modal puro) geralmente indica uma obrigação externa!
Need not, Ought to e Shall
'Need not' (ou 'needn't') é perfeito para expressar quando algo não é necessário. Imagine economizar tempo dizendo "I needn't go to the supermarket" em vez de "I don't need to go to the supermarket"!
'Ought to' é muito parecido com 'should', mas soa mais rigoroso. Use-o para dar conselhos fortes ou falar de obrigações morais. Por exemplo: "You ought to drive carefully in bad weather" é um conselho mais enfático que usar 'should'.
'Shall' geralmente substitui 'will' na primeira pessoa (I, we), especialmente em inglês britânico. Também é muito usado para fazer sugestões em perguntas, como "Shall I carry your bag?". Fica super educado!
'Should' é o modal que expressa recomendação ou obrigação moral menos intensa que 'must'. É perfeito para dar conselhos ("You should eat more vegetables") ou falar de expectativas sobre como as coisas deveriam ser.
💡 Quando quiser fazer uma oferta educada para ajudar alguém, "Shall I...?" soa muito mais prestativo e formal que "Can I...?"
Will e Would
'Will' não serve apenas para formar o futuro! Como modal, você pode usá-lo para expressar desejos ou dar ordens ("Will you please shut the door?"), fazer promessas ("I will call you tomorrow") ou tomar decisões espontâneas ("I will help you with that").
'Would' é a forma passada de 'will', mas também torna seus pedidos muito mais educados. Em vez de dizer "Will you help me?", diga "Would you help me?" e note como soa melhor! Também serve para falar de hábitos no passado ("He would always bring me flowers on Fridays").
Os verbos modais podem ter funções semelhantes, mas com níveis diferentes de formalidade ou intensidade. Por exemplo, para pedir permissão, 'may' é mais formal que 'could', que por sua vez é mais formal que 'can'.
Para expressar possibilidade, você tem uma escala de probabilidade: 'might' (menos provável), 'may', 'could' e 'can' (mais provável). Já para obrigações, 'must' é mais forte que 'ought to', que é mais forte que 'should'.
💡 Nas entrevistas de emprego ou situações formais, substitua 'can' por 'could' ou 'may' para soar mais profissional e educado!
Atividades Práticas
Agora é hora de testar o que você aprendeu sobre os verbos modais! Tente completar as frases abaixo com o modal mais adequado para cada situação:
Para expressar habilidade presente, você usaria: "I can speak three languages." Isso mostra sua capacidade atual de falar idiomas.
Para dar um conselho sobre o tempo: "You should take an umbrella, it might rain." O 'should' é perfeito para recomendações.
Em um pedido educado, experimente: "Could I borrow your pen, please?" Isso soa mais gentil que simplesmente usar 'can'.
Para indicar proibição clara: "You must not eat in the library." Isso deixa claro que a ação é proibida.
Para fazer uma previsão sobre o tempo: "I think it will be sunny tomorrow." O 'will' é ideal para previsões futuras.
💡 Pratique usando diferentes modais para a mesma situação e note como o tom e a intensidade da mensagem mudam! Isso vai ajudar você a escolher o modal perfeito em cada contexto.
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Stefan S
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This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
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Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
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Best app on earth! no words because it’s too good
Thomas R
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Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Entenda os Verbos Modais em Inglês
Os verbos modais em inglês são auxiliares que adicionam sentidos especiais aos verbos principais, como possibilidade, permissão e obrigação. Eles são essenciais para uma comunicação eficaz e possuem regras próprias que os diferem dos verbos comuns.
Introdução aos Verbos Modais
Os verbos modais modificam o significado do verbo principal para expressar diferentes intenções na comunicação. Você vai perceber que eles são super úteis para tornar seu inglês mais natural!
'Can' é um dos modais mais usados no dia a dia. Você pode usá-lo para expressar habilidade (I can speak English), permissão (Can I go to the cinema?), fazer pedidos (Can you wait a moment?) ou ofertas (I can lend you my car).
'Could' é a forma passada de 'can', mas também serve para tornar seu inglês mais educado. Use-o para falar de habilidades no passado (I could speak English when I was five), fazer pedidos mais educados (Could you help me?) ou sugerir algo de forma mais gentil.
💡 Dica: Usar 'could' em vez de 'can' em pedidos torna sua fala mais educada e aumenta suas chances de receber uma resposta positiva!
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May e Might
'May' é um modal mais formal que 'can'. Você vai usá-lo principalmente para expressar possibilidade (It may rain today) ou permissão formal (May I go to the cinema?).
'Might' é semelhante ao 'may', mas indica uma possibilidade menor. Quando você diz "It might rain" está sugerindo que a chance é menor do que se dissesse "It may rain". Use-o quando algo é possível, mas não muito provável.
'Must' é o modal que expressa obrigação forte ou necessidade. Quando você diz "I must study" está indicando algo que é absolutamente necessário fazer. Também pode indicar alta probabilidade (You must be tired after that long trip).
'Must not' e 'May not' são usados para proibições, mas com intensidades diferentes. 'Must not' é mais enérgico e definitivo , enquanto 'May not' soa um pouco menos severo.
💡 Lembre-se: 'Must' para obrigações é como um comando interno (algo que você sabe que precisa fazer), enquanto 'have to' (que não é um modal puro) geralmente indica uma obrigação externa!
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Need not, Ought to e Shall
'Need not' (ou 'needn't') é perfeito para expressar quando algo não é necessário. Imagine economizar tempo dizendo "I needn't go to the supermarket" em vez de "I don't need to go to the supermarket"!
'Ought to' é muito parecido com 'should', mas soa mais rigoroso. Use-o para dar conselhos fortes ou falar de obrigações morais. Por exemplo: "You ought to drive carefully in bad weather" é um conselho mais enfático que usar 'should'.
'Shall' geralmente substitui 'will' na primeira pessoa (I, we), especialmente em inglês britânico. Também é muito usado para fazer sugestões em perguntas, como "Shall I carry your bag?". Fica super educado!
'Should' é o modal que expressa recomendação ou obrigação moral menos intensa que 'must'. É perfeito para dar conselhos ("You should eat more vegetables") ou falar de expectativas sobre como as coisas deveriam ser.
💡 Quando quiser fazer uma oferta educada para ajudar alguém, "Shall I...?" soa muito mais prestativo e formal que "Can I...?"
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Will e Would
'Will' não serve apenas para formar o futuro! Como modal, você pode usá-lo para expressar desejos ou dar ordens ("Will you please shut the door?"), fazer promessas ("I will call you tomorrow") ou tomar decisões espontâneas ("I will help you with that").
'Would' é a forma passada de 'will', mas também torna seus pedidos muito mais educados. Em vez de dizer "Will you help me?", diga "Would you help me?" e note como soa melhor! Também serve para falar de hábitos no passado ("He would always bring me flowers on Fridays").
Os verbos modais podem ter funções semelhantes, mas com níveis diferentes de formalidade ou intensidade. Por exemplo, para pedir permissão, 'may' é mais formal que 'could', que por sua vez é mais formal que 'can'.
Para expressar possibilidade, você tem uma escala de probabilidade: 'might' (menos provável), 'may', 'could' e 'can' (mais provável). Já para obrigações, 'must' é mais forte que 'ought to', que é mais forte que 'should'.
💡 Nas entrevistas de emprego ou situações formais, substitua 'can' por 'could' ou 'may' para soar mais profissional e educado!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Atividades Práticas
Agora é hora de testar o que você aprendeu sobre os verbos modais! Tente completar as frases abaixo com o modal mais adequado para cada situação:
Para expressar habilidade presente, você usaria: "I can speak three languages." Isso mostra sua capacidade atual de falar idiomas.
Para dar um conselho sobre o tempo: "You should take an umbrella, it might rain." O 'should' é perfeito para recomendações.
Em um pedido educado, experimente: "Could I borrow your pen, please?" Isso soa mais gentil que simplesmente usar 'can'.
Para indicar proibição clara: "You must not eat in the library." Isso deixa claro que a ação é proibida.
Para fazer uma previsão sobre o tempo: "I think it will be sunny tomorrow." O 'will' é ideal para previsões futuras.
💡 Pratique usando diferentes modais para a mesma situação e note como o tom e a intensidade da mensagem mudam! Isso vai ajudar você a escolher o modal perfeito em cada contexto.
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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App Store
4.7/5
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user