[ Inversion + Passive Voice ]
______ be needed, the water basin would need to be dammed.
A. When hydroelectric power
B. Should hydroelectric power
C. Hydroelectric power should
D. Hydroelectric power

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Countable & Noncountable NounsPresent Perfect: for/sinceVerb Tenses and Subject Verb AgreementHave to/Has toTAG QuestionsComplex Sentences with Adverb ClausesPassive Voice - Present ContinuousConjunctions and PrepositionsZero Conditional SentenceHave toOther quiz:
Vocabulary and Grammar › ViewGiovanni _____ English for many years before he moved to Canada.
A. had studying
B. had been studying
C. was studying
D. had study
Grammar › View
I ______________ a book at the moment.
A. Am reading
B. Read
Grammar › ViewI wish I ___ younger. Life does not seem so attractive at the age of 45.
a. am
b. were
c. had been
Grammar › View
Choose the correct adjective for this sentence. It is ________ sunny today than yesterday.
A. least
B. less
