What are MODAL VERBS? They are special verbs which behave very differently from normal verbs. They are used with another verb to express ability, permission, prohibition, certainty, possibility, requests, suggestions, and obligation.
Which are the MODAL VERBS?
The MODAL VERBS are: CAN COULD MAY MIGHT WILL WOULD
Why are MODAL VERBS special and how do they behave differently?
There are a few more verbs which share some of the features of MODAL VERBS. These are called SEMI-MODAL VERBS. They are: HAVE TO NEED
1. MODAL VERBS have no “s” added to the 3rd person singular form: She must be ill. / He will come tomorrow. 2. MODAL VERBS are followed by the short infinitive (the infinitive without “to”) of a verb: We might be coming. / I can speak French. 3. Interrogative forms are formed without do/does in the present, or did in the past: Could you help me? / Should I have told her? 4. Negative sentences are formed with not or the short from n’t and do not use do/does or did: He may not come. / You wouldn’t do this!
2. MAY 1. CAN # is used in the present to say that somebody has the ABILITY or POSSIBILITY to do something: e.g.:
I can speak four languages. We can go for a walk.
# is also used in the present to ask for, give or refuse PERMISSION, or to make a REQUEST: e.g.:
Can I go outside? You can go to the cinema tomorrow. You can’t bring your pet to school. Can I have a glass of water?
3. COULD # is used to talk about general ABILITY in the past: e.g.:
Mary could write when she was 3.
# is also used to talk about a SUGGESTION in the past or a POSSIBILITY in the future. e.g.:
We could have spent our holidays together. We could go on a cruise next summer.
# is also used to make a polite REQUEST. e.g.:
Could I have a glass of water, please?
# is used to express PERMISSION in the present or in the future: e.g.: You may watch TV now that you finished your homework. You may watch TV after you finish your homework. # can also be used to talk about POSSIBILITY in the present, past or future: e.g.:
They may be busy. They may have been busy. They may be busy next Saturday.
4 Will # is used to describe actions that could happen in the future e.g.: He will be sick. He will have been sick. She Will be married