[ Auxiliary Verbs ]
When you ___ feeling tired, you need to take some rest.
A. are
B. am
C. be
D. were

Random Topics:
Conjunctive Adverbs-ed and -ing AdjectivesSentence StructureModals - Have to or ShouldIntermediateSentence Structure and Pronoun AntecedentIrregular Plural NounsSubjunctivePresent Continous TenseTenses StructureOther quiz:
Grammar › ViewHe is
A. Rolling
B. Jumping
C. Flying
Grammar › View
Jenny _____ very late as well.
A. sleep
B. slep
C. slept
D. sleeping
What characterizes a complex sentence?
A. It has only one clause.
B. It contains an independent clause and at least one dependent clause.
C. It consists of two independent clauses.
D. It doesn’t have a subject or a verb.
Grammar › View
I ____ watching TV.
A. am
B. is
C. are
