exercises with grades

Table 1. The Meaning of Modal Verbs in English

Present	Past	Future	Meaning	Example
Purely modal verbs
can	could	———	The physical ability to perform an action.	I can play the piano.
may	might	———	The means and capability (permission) to perform an action.	He may open the window (He is allowed to open the window).
must	———-	———	The necessity to perform an action, an order.	She must read it.
ought to	———-	———	The same as the verb “Should” – should be used with the “to” participle.	He ought not to smoke at 15.
The equivalents of the verb “must”
to have	had (to)	shall/will have (to)	The same as must and ought to.	I have to read.
to be	was/were (to)	———–	Should do what was has been planned.	They are to come at 5 o’clock.

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