[ Perfect Progressive Tenses ]
They ______ (not/sleep) when the alarm went off.
A. were not sleeping
B. have not been sleeping
C. had not been sleeping
Select your answer:
Random Topics:
Subordination ConjunctionsSuffixes and TensesGrammar Past and Future TenseMust and Might ModalsSimple Past TensePast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousVerb to haveFunctional Sentence TypesPresent Perfect and Simple Past TenseGrammar and VocabularyOther quiz:
Grammar › ViewWhat is the present tense of “balance”?
A. balance or balances
B. balanced
C. will balance
Grammar › View
What is theme?
A. Colour theme
B. It is the attitude of the writer toward subject matter
C. Central message