Here’s a comprehensive table of modal verbs and their common usages:
| Modal Verb | Usage | Example |
|---|---|---|
| Can | Ability | She can speak three languages. |
| Permission | You can borrow my book. | |
| Possibility | It can be very cold in January. | |
| Informal request | Can you help me with this? | |
| Could | Past ability | She could swim when she was five. |
| Polite request | Could you pass the salt? | |
| Possibility | It could rain later. | |
| Suggestion | You could try restarting your computer. | |
| May | Permission (formal) | You may leave now. |
| Possibility | It may snow tonight. | |
| Might | Possibility (less certain than “may”) | We might go to the park if it stops raining. |
| Must | Obligation | You must wear a seatbelt. |
| Strong necessity | We must finish this project today. | |
| Deduction | He must be at home; the lights are on. | |
| Shall | Formal suggestions/offers | Shall we go for a walk? |
| Formal future tense (British English) | I shall arrive at 8 PM. | |
| Should | Advice | You should eat more vegetables. |
| Expectation | The train should arrive at 6 PM. | |
| Will | Future tense | I will call you tomorrow. |
| Willingness | I will help you with your homework. | |
| Predictions | It will be sunny tomorrow. | |
| Would | Polite requests | Would you like a cup of coffee? |
| Hypothetical situations | If I were rich, I would travel the world. | |
| Past habits | When I was a kid, we would play outside all day. | |
| Ought to | Advice/strong suggestion | You ought to apologize for being late. |
| Shall | Legal or formal obligations (rare) | Employees shall comply with company policies. |
| Need | Necessity (negative/interrogative sentences) | You need not attend the meeting if you’re busy. |
| Used to | Past habits/states | I used to play the piano. |
| Had better | Strong advice/urgent necessity | You had better see a doctor about that cough. |
| Dare | Challenge/courage (semi-modal) | How dare you speak to me like that? |
51