Of the republic of uzbekistan termiz state university faculty of foreign philology

Iwonder how he dared (to) saysuch things.

He did not need to come.

He needn’t have come.

Besides many common features each modal verb has its own individual features.

The verb “to be”

“To be” when used as a modal verb expresses necessity arising from some previous arrangement or plan.

He is (was)to be at the station at nine. (It is/was arranged, preplanned.)
 

The modal verb “can”

The modal verb “can” expresses the possibilityof an event (action or state) which depends upon the capacity of the doer of the action or the person experiencing the state.

He canswim and dive very well. (He knows how to do it. He is capable of doing it.)

He canunderstand you easily. (It is within his capacity to do it.)

The modal verb “can” has tense and mood.

 Indicative Subjunctive

present tense past tense

can could could