Answer: A) True
Explanation for this question is being written.
Answer: A) Had been driving; saw.
Answer: C) Had been traveling.
Answer: A) Hadn't been working.
Answer: C) Action that has already been finished in the past.
Answer: B) Had been jogging.
Answer: C) Discovered; had been looking for.
Answer: B) Had been missing.
Answer: C) Had been stolen.
Answer: B) Was; had been staying.
Answer: B) Had been learning.
Answer: B) Had been dancing.
Answer: C) Subject + had + been + V.ing.
Answer: B) Had been waiting.
Answer: C) They had to cancel it, though they had been planning it for months.
Answer: C) This indicates a past perfect continuous action.
Answer: A) Had been waiting.
Answer: D) Had been driving.
Answer: A) Past Perfect Continuous.
Answer: C) Past perfect progressive.
Answer: C) Past perfect continuous.
Answer: D) Had been making.
Answer: D) Had been sitting.
Answer: C) Had been eaten.
Answer: B) Had been calling.
Answer: B) He had been saving money for over a year.
Answer: B) Had been playing.
Answer: A) We had been playing video games and then we went to the party.
Answer: B) Had been.
Answer: A) Had been studying.
Answer: C) Found
Answer: D) Had been waiting.
Answer: D) He was tired because he had been exercising so hard.
Answer: C) Had been studying.
Answer: B) For + duration.
Answer: B) PAST PERFECT PROGRESSIVE TENSE.
Answer: B) Past Perfect Continuous.
Answer: A) Past perfect continuous tense.
Answer: B) Past Perfect Continous.
Answer: B) Had been taking.
Answer: D) Had been raining.
Answer: A) Had been driving.
Answer: B) False
Answer: A) Krishala had been teaching students.
Answer: D) Past Perfect Continuous.
Answer: D) Had been living.
Answer: C) I'd been working.
Answer: B) Had been sitting.
Answer: A) I'd been calling.
Answer: D) The duration of one event in the past, before another event interrupted it.
Answer: E) Past perfect continuous tense.
Answer: A) Had been married.
Answer: B) I hadn't been working.
Answer: A) Past perfect continuous.
Answer: C) Had been teaching/became.
Answer: A) Had been feeling.
Answer: B) Had been competing.
Answer: D) Had been learning.