Modal Auxiliaries are those helping verbs which help to express the mode or manner in which the action is done. Understanding how to use modals correctly is essential for mastering English grammar, syntax, and sentence structure.
What Are Modal Auxiliaries and How Do They Work?
The modals are different from other Auxiliaries 'have', be' and 'do' in three ways.
Why Are Modals Unique in English Grammar?
(i) There are s-forms, ing-forms, ed-forms or en-forms.
Example:
do-does-did;
have-having-had;
be, being, been
But, Not may — mays — maying or mayed
(ii) Modals take only the base form of Principal verbs after them.
I can do the work alone.
He may not come here today.
You must abide by the rules.
(iii) Modals modify the meaning of the main verbs.
Does he play football?
For more detailed rules, check out our comprehensive guide on (Uses of) Modal Auxiliaries এর ব্যবহার.
Chart of Modal Auxiliaries, Functions, and Examples
| Modals | Functions | Examples |
|---|---|---|
| Will | Asking | Will you go to school? |
| Would | Requesting | Would you give me a pen? |
| Shall | Asking | Shall I do the work? |
| Should | Suggestion | You should work hard. |
| Can | Ability | He can drive a car. |
| Could | Ability | He could do the sum. |
| Could | Requesting | Could you help me to do the sum? |
| May | Possibility | He may come here today. |
| May | Permission | May I come in? |
| May | Prayer | May you live long. |
| Might | Possibility | His statement might be true. |
| Might | Suggestion | You might go there. |
| Must | Certainty | It must be good. |
| Must | Obligation | You must do this. |
| Mustn't | Prohibition | You must not (mustn't) run in the sun. |
| Needn't | Negation | I need not (needn't) want a book now. |
| Dare | Bold Assertion | I dare say, you are a fool. |
| Daren't (Dare not) | Afraid to do | I dare not (daren't) follow you. He dare not (daren't) do it. |
| Ought (to) | Moral obligation | We ought to love our neighbours. |
| Ought (to) | Suggestion | You ought to go to a doctor. |
| Used (to) | Habit | He used to walk early in the morning. |
Key Takeaways
- Modal auxiliaries express the mode or manner in which an action is done.
- Modals do not take s-forms, ing-forms, ed-forms, or en-forms.
- Modal verbs are always followed directly by the base form of principal verbs.
- Each modal auxiliary carries specific functions such as ability, permission, obligation, possibility, or suggestion.
Quick Practice
Test your understanding of modal auxiliaries by writing your own example sentences in the comments section below:
- Write a sentence expressing ability using the modal verb "can".
- Write a sentence expressing moral obligation using "ought to".
Frequently Asked Questions About Modal Auxiliaries
What are modal auxiliaries?
Modal auxiliaries are helping verbs that express the mode or manner of an action, such as ability, permission, necessity, or possibility.
Do modal verbs change their form?
No, modal verbs do not have s-forms, ing-forms, or ed-forms. They remain unchanged regardless of the subject.
What form of the verb follows a modal?
Modal auxiliaries are always followed immediately by the base form of the principal verb.