Modal Verbs:
Modal verbs are auxiliary (helping) verbs that express necessity, possibility, permission,
or ability. They are used alongside the main verb to give more information about the
action.
Common Modal Verbs:
Can: Ability or permission
May: Permission or possibility
Could: Past ability or polite requests
Might: Possibility
Need to: Necessity or obligation
Must: Strong obligation or necessity
Have to: Obligation (similar to "must")
Ought to: Advisability or expectation
Should: Advice or recommendation
Examples:
Can: I can swim very well. (ability)
May: You may leave early if you finish your work. (permission)
Could: Could you pass the salt, please? (polite request)
Might: It might rain later. (possibility)
Need to: You need to study for the exam. (necessity)
Must: You must wear a seatbelt in the car. (strong obligation)
Have to: I have to finish this project by tomorrow. (obligation)
Ought to: You ought to apologize for being late. (advisability)
Should: You should eat more vegetables. (advice)
Short Exercise:
Complete the sentences with the correct modal verb: can, may, could, might, need
to, must, have to, ought to, or should.
1. You ________ brush your teeth twice a day. (advice)
2. I ________ finish my homework before I go out. (necessity)
3. ________ you help me with this heavy box? (polite request)
4. He ________ be at home now, but I'm not sure. (possibility)
5. We ________ leave early if we want to catch the train. (obligation)
6. They ________ speak three languages fluently. (ability)
7. You ________ apologize for your mistake. (advisability)
8. She ________ take an umbrella; it looks like rain. (advice)
9. You ________ be on time for your interview. (strong obligation)
10. I ________ go to the meeting, but I'll try. (possibility)
Answers:
should
must / need to / have to
Could
might
must / have to
can
ought to
should
must
might