Modals: Can, Could, May, Might, Should, Must
- Rule Title
- Modals: Can, Could, May, Might, Should, Must
- Category
- Modals
- Rule Explanation
Modals
Modals are auxiliary verbs that express necessity, possibility, ability, or obligation. They are always followed by the base form of the verb (V1).
Modal Primary Use Example can Ability (present) She can swim. could Ability (past), polite request Could you help? may Permission (formal), possibility May I come in? might Weaker possibility It might rain. should Advice, obligation You should study. must Strong obligation, deduction You must stop. / He must be tired. would Past habit, polite request Would you like tea? shall Offers, suggestions (with 'we') Shall we begin? Key rule: Modals are always followed by the base form of the verb (V1).
- Correct Example
- She must submit the form today.
- You should not be late.
- Could you pass the salt?
- Incorrect Example
She must to submit the form.(No 'to' after modals)You should studied harder.(Use V1: study)