past perfect simple vs past perfect continuous

We use Past Perfect for an action which happened before another past action or before a stated time in the past.

• Yes
• No

To put emphasis on duration of an action and finished in the past before another past action, usually with since or for.

• Past Pefect

• Past Perfect Continuous

• Past Simple

Shamsul was tired because he (work) _________ all day

• had been working

• worked

Emphasize on the duration of an activity in the past

• past perfect continuous

• past perfect simple

Which of the following sentences are in the PAST PERFECT SIMPLE?

• I had been working at the company for five years when I got the promotion.

• Harold had known about it for two weeks.

• Martha had been walking three miles a day before she broke her leg.

• I didn't say anything until she had finished talking.

Which of the following sentences are in the PAST PERFECT CONTINUOUS?

• Had the concert already started when you arrived?

• She didn't see Peter because he had gone to the supermarket.

• I told her that I had been waiting for 3 hours but she didn't say anything.

• Had you been waiting long before the taxi arrived?

Everybody noticed that you __________a mistake.

• had made

• had been making

They didn't want any lunch because they ______already_________.

• had... eaten

• had...been eating

Last night I _________ my dog. I __________ my dog. Can you help me look for him?

• have lost / found

• lost / have't found

• lose / have find

• lost / has found

Jim ___________ to the zoo yesterday.

Jim isn't here now. He __________ to the zoo.

• went / has gone

• went / has been going

• has gone / went

• went / have been going