[ Perfect Tenses ]
Provide an example of a sentence in past perfect continuous tense.
A. He has been waiting for the bus for over an hour.
B. She was waiting for the bus for over an hour.
C. They will be waiting for the bus for over an hour.
D. She had been waiting for the bus for over an hour.

Random Topics:
Noun, Adjective, and Adverb ClausesWill or Going toAdverb of MannerPast ContinuousGrammar (Possessive Pronouns)Past Perfect Simple TensePhrasesPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousPresent Perfect Simple and ContinuousPassive SentencesOther quiz:
Grammar › ViewIf he _______ with us now, he ______ the beauty of nature of the National Park.
A. is / can enjoy
B. were / could enjoy
C. was / will enjoy
D. has been / would enjoy
Vocabulary › View
Mila is ___________ because she speaks both Spanish and English.
A. bilingual
B. mismatched
C. usual
D. scrunches