[ Tenses Structure ]
“She had been waiting for an hour when he arrived.” What tense is used in this sentence?
A. Present Perfect Continuous
B. Past Continuous
C. Past Perfect Continuous
D. Future Perfect Continuous
Select your answer:

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Progessive TensesConjunctions and PronounsPast Perfect or Past Perfect ContinuousPresent Perfect Simple vs ContinuousRelative Pronouns and AdverbsSimple Present and Present Continuous TensesRelative Clauses with who and whichPast Tense, Recount Text, and Future TenseIndefinite ArticleFuture - will / going to / present continuousOther quiz:
Grammar › ViewThe government should encourage their inhabitants to limit the burning of fossil fuels _____ it can cause air pollution.
A. although
B. so
C. which
D. because
Grammar › View
What does the suffix -ness mean?
A. Condition or state of being
B. without happiness
C. One who is happier
