This is very important. You ______ forget what I said. ...

[ Modal Verbs - Obligation ]

This is very important. You ______ forget what I said.

A. must

B. mustn’t

Select your answer:

Other quiz:

Perfect Tenses › View

In which tense do we use the auxiliary verb had plus the past participle form of the verb to express the earlier of two past actions?

A. Present perfect tense

B. Past perfect tense

C. Simple past tense

D. Future perfect tense

Modal Verbs of Deduction and Speculation › View

Hey! Look out the window, everyone. It’s snowing!

A. It can’t be snowing! It’s August!

B. It mustn’t be snowing! It’s August!