Which is a correct example of the past perfect progressive tense?
A. Did she work last night?
B. Was she working last night?
C. Had she been working last night?
D. Will she have been working all last night?

Random Topics:
Sentence and FragmentNoun / PronounGerund - to Infinitive Modals and Present TensesSimple Present ProgressivePast Simple (Questions)Tenses UsagePresent Progressive TensePreposition and AdjectiveRelative Clauses PronounsOther quiz:
Prepositions › ViewChoose the word that is not a preposition.
A. Down
B. Decide
C. During
D. Except
Present Perfect Tense › View
Differentiate between past simple and present perfect: ‘He went to the store’ (past simple) or ‘He has gone to the store’ (present perfect)?
A. The past simple is always used with a time expression, while the present perfect is used without one.
B. The past simple is used for actions that are still happening, while the present perfect is used for completed actions.
C. The past simple focuses on a specific time in the past when the action happened, while the present perfect emphasizes the result or current relevance of the action.
D. The past simple is used for general life experiences, while the present perfect is used for specific events.
Contrastive Conjunctions › ViewAmy worked hard. …., Grace hardly did any work at all.
A. Even if
B. Unless
C. However
D. On the other hand
Grammar › View
Which of the following sentences shows a statement?
A. Did the whole family go fishing?
B. Who caught the first fish?
C. Who ate the fish?
D. Mina took his sled to the lake.
