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?
Preview next quiz:
The formula of the Present Perfect Continuous is…
A. have been + Verb-ing
B. have been + Verb-ed
C. has been + Verb-ing
D. have/has been + Verb-ing