Topics: Past Perfect and Past Perfect Continuous
Which of the following is a sentence in “Past Perfect Continuous”?
A. Had you been waiting long before Uber arrived?
B. Have you been waiting long before the Uber arrived?
C. Did you wait the Uber?
D. Are you waiting the Uber to arrive?
Select your answer:

Random Topics:
Adverbial Clauses of Reason / CausePast ParticiplePast Tense vs Present Perfect TenseCoordinating Conjunctions and Comparative AdjectivesPronounsLinking WordsPronouns and AntecedentsVerbs � Nouns � Adjectives - AdverbsNouns and QuantifiersPast Simple & Past ContinuousOther quiz:
Present Perfect Tense › Viewwe ______ _______ (not, play) at home
A. has not played
B. has play
C. have play
D. have not played
Grammar › View
Choose when or where. My mom drives far.
A. when
B. where