Differentiate between past perfect and past perfect continuous tenses.
A. I had been studying for two hours after the exam.
B. Past perfect: I had finished my homework before dinner. Past perfect continuous: I had been studying for two hours before the exam.
C. I had finished my homework after dinner.
D. I had been studying for two hours during the exam.

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Adverbial Clauses of Reason / CauseAdverb of ConcessionPaired ConjunctionPresent Continuous TenseArticles and PrepositionsTenses: Present simple, Past Simple, Future SimplePresent ContinuousPrepositions after Verbs and AdjectivePresent and Past Simple TenseVerbal and Appositive PhrasesOther quiz:
Mixed General Quiz › ViewWhat is the chance of rolling a coin twice and getting at least one “Heads?”
A. 1/4
B. 3/8
C. 1/2
D. 3/4
E. 7/8
To Infinitive/Bare Infinitive/Gerunds › View
Our room needs ————– up.
A. tidied
B. to tide
C. tidy
D. tidying
Grammar › ViewChoose the most suitable answer.
“Why are you shivering?”
A. I’ve been trying to fix a leak.
B. I’ve been standing outside in the cold.
C. I’ve been listening to music with my headphones on.
D. I’ve been drinking a milkshake.
Conjunctions › View
Choose the correct item to complete each sentence
It looks (as if like) I won’t finish the book tonight.
A. as if
B. like
