[ Modal Verbs ]
You ___ forget your keys; it’s essential to lock the door.
A. can
B. mustn’t
C. don’t have to
D. should
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Grammar › ViewChoose the correct relative pronoun.
_______ is talking so loud?
_
A. Who
B. Whose
Auxiliary and Modal Verbs › View
What is the main function of the modal auxiliary ‘must’?
A. Expressing obligation
B. Expressing probability
C. Asking for permission
D. Forming passive tenses
Comparative › ViewThe boys are ______ today than they were yesterday.
A. Happy
B. Happier
C. Happiest
Grammar › View
What is the purpose of helping verbs?
A. To show you show the sentence is about.
B. To show an action.
C. To link the main verb to the subject.
D. Nothing.