PAST PERFECT VS PAST PERFECT CONTINUOUS

Richard had gone out when his wife arrived in the office.

• Past Perfect

• Past Perfect Continuous

Christine had never been to an opera before last night.

• Past Perfect

• Past Perfect Continuous

I got stuck in traffic because there had been an accident

• Past Perfect

• Past Perfect Continuous

I had been to London twice by the time I got a job in New York.

• Past Perfect

• Past Perfect Continuous

She had finished her homework when I called her.

• Past Perfect

• Past Perfect Continuous

Once they had heard the explosion, they left the building immediately.

• Past Perfect

• Past Perfect Continuous

I met them after they had divorced each other.

• Past Perfect

• Past Perfect Continuous

I couldn't take my flight because I had forgotten my boarding pass.

• Past Perfect

• Past Perfect Continuous

We wish we hadn't eaten son much at the buffet.

• Past Perfect

• Past Perfect Continuous

After the film had started, we arrived.

• Past Perfect

• Past Perfect Continuous