[ Past Perfect Tense ]
We form the past perfect with had and the _____ of the main verb.
A. affirmative
B. before
C. negative
D. past participle

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Grammar › ViewCupid is the most famous ___ of Valentine.
a. symbol
b. sign
c. motif
d. hint
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Which word is a verb?
A. same
B. cat
C. red
D. find
Identify the subject-verb agreement error in the following sentence: “Both of the solutions is acceptable.”
A. Both of the solutions
B. is
C. acceptable
D. None of the above
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If you really _____ smoke, do it outside.
A. must
B. don’t have to
C. should
