[ 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 › ViewDoes the sentence below use a gerund?
I will be planting a tree tomorrow.
A. with gerund
B. no gerund
Grammar › View
The men ________ were all office workers.
A. which I talked
B. to those I talked
C. those I talked to
D. I talked to
Subject Verb Agreement › ViewIdentify 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
Grammar › View
If you really _____ smoke, do it outside.
A. must
B. don’t have to
C. should
