Taken from firstcertificate.wordpress.com
Modal Auxiliaries
a. Modal auxiliaries : can, could, had better, may, might, must , ought to, shall, should, will
Modals do not take a final –s, even when the subject is he, she, or it.
He can do it OK
He cans do it X
b. Modal are followed immidiately by the simpe form of a verb
He can do it OK
He can does it X
The only exception is ought, which is followed by an infinitive
She ought to go to the meeting
Similar Expressions
| Be able to do it | Can |
| Be going to do it | Will |
| Be supposed to do it | Should |
| Be to do it | Must |
| Have to do it | Must |
| Have got to do it | Must |
| Used to do it | Would |
An infinitive (to + the simple form of a verb) is used in this similar expression.
No comments:
Post a Comment