Answer: D) Had worked.
Explanation for this question is being written.
Answer: C) Past Perfect.
Answer: B) Had, decorated.
Answer: D) Examples: 1. 'She had finished her homework before dinner.' 2. 'They had left the party when I arrived.'.
Answer: C) Had happened.
Answer: D) Had saved.
Answer: A) Had broken.
Answer: B) Had read.
Answer: A) Had finished.
Answer: B) Had happened.
Answer: C) Had been painted.
Answer: D) Past perfect.
Answer: B) Had eaten.
Answer: B) Had never seen.
Answer: C) Had
Answer: A) Past perfect.
Answer: B) Past Perfect.
Answer: A) Had taken.
Answer: D) Had / studied.
Answer: A) Subject + had + not + verb in past participle + complement.
Answer: A) Had
Answer: C) Had forgotten.
Answer: A) Had worked.
Answer: C) Hadn't met.
Answer: C) Had lost.
Answer: E) Past perfect.
Answer: A) Had seen.
Answer: C) Had finished.
Answer: B) Graduated
Answer: C) Had eaten.
Answer: A) Were known to have used.
Answer: C) Had seen.
Answer: B) Had finished.
Answer: D) Had
Answer: B) Had watched.
Answer: C) Had he gone to the market?
Answer: A) Hadn't finished.
Answer: A) Hadn't we.
Answer: B) B had just left.
Answer: C) Past perfect tense.
Answer: D) Had left.
Answer: C) Had lived.
Answer: C) Had examined.
Answer: B) Had drawn.
Answer: A) Had gone.
Answer: D) Had known.
Answer: B) Had left.
Answer: A) Past Perfect Tense.
Answer: D) Told / had not heard.
Answer: B) Past-tense
Answer: A) Had / renewed.
Answer: B) Had closed.
Answer: C) Had saved.
Answer: C) Hadn't watered.
Answer: B) Had worked.
Answer: B) Had lived.