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:
Verbs & Phrasal VerbsVerb Forms and PrepositionsVerb-ing and InfinitivePhrase and ClauseGrammar - PunctuationDEGREE COMPARISONDefinite ArticlesConditional Sentence Type 1Vocabulary and TensesConditionals Type IOther quiz:
Vocabulary › ViewA reflective examination of one’s beliefs or motives
A. resilience
B. self-reflection
C. self-awareness
D. ethics
Articles › View
She works in _____ university as a lecturer.
A. the
B. an
C. a
D. no article
