Answer: C) Past Perfect.
Explanation for this question is being written.
Answer: B) The fact that their chores are now complete.
Answer: C) Had finished.
Answer: C) Had planned.
Answer: D) Had seen.
Answer: B) Hadn't studied/went.
Answer: B) Had hoped.
Answer: A) Had Dina not read that book when I borrowed?
Answer: C) Had + past participle.
Answer: A) Had
Answer: B) We had forgotten to bring the map.
Answer: B) Had cleaned.
Answer: A) We use it to show the order of two past events.
Answer: B) Had been arrested.
Answer: B) Had submitted.
Answer: A) Had you known.
Answer: E) Past perfect.
Answer: D) Had already taken.
Answer: B) Had already arrived.
Answer: C) Had they cleaned the room when you arrived?
Answer: A) Past perfect.
Answer: A) Had changed.
Answer: B) Had
Answer: B) Past perfect.
Answer: C) Had watched.
Answer: C) Had lived.
Answer: B) Had finished.
Answer: C) Had started.
Answer: C) Had checked.
Answer: C) Had not injured.
Answer: B) Had started.
Answer: A) Had developed.
Answer: C) Had made.
Answer: B) Had practised / felt.
Answer: C) Had lost.
Answer: B) Had taken.
Answer: B) An action that happened before another action in the past.
Answer: B) B
Answer: D) Had inspected.
Answer: C) Had forgotten.
Answer: B) Had found / had been panning.
Answer: B) Had, read.
Answer: B) Had bought.
Answer: B) Been
Answer: C) Had
Answer: B) Had lost.
Answer: A) Had expected.
Answer: D) D
Answer: B) PAST PERFECT.
Answer: A) Had known.
Answer: B) Had been an accident.
Answer: C) Had died.
Answer: D) Had gone.
Answer: D) Use the past perfect tense with modal verbs like 'should have' or 'could have'.
Answer: B) She had seen the movie before she read the book.
Answer: A) Had left.
Answer: A) Had learned.