Irr forms
Past Perfect
Past Perfect Continuous
Past Simple vs Past Perfect
Past Perfect vs Past Perfect continuous
100

Past Participle of "eat"

eaten

100

They ___________________ (not / eat) so we went to a restaurant.

they hadn't/had not eaten

100

We _____ (sleep)  for 12 hours when he woke us up.

we had been sleeping

100

The judge said that she was guilty because she took/had taken the money for herself.

had taken

100

When we arrived the film ________________________________ (start).

had started

200

Past Participle of "write"

written

200

We were late for the plane because we ____________________ (forgot)our passports.

we had forgotten
200

They ____ (wait)  at the station for 90 minutes when the train finally arrived.

they had been waiting

200

My cousin promised/had promised me to bring me a souvenir from France last month

promised

200

She ________________________________ (work) in that company for twenty years when she was made redundant.

had been working

300

Past Participle of "catch"

caught

300

When I arrived at the cinema, the film ____________________ (already/start).

the film had already started

300

I ______(not / walk)  for a long time, when it suddenly began to rain.

I hadn't been walking

300

Alfred had worked/worked in a bank for five years before he was sent to Rome.

had worked

300

I ________________________________ (run), so I was hot and tired.

had been running

400

Past Participle of "drive"

driven

400

I ___________________ (not / have) breakfast when he arrived.

I hadn't/had not had

400

How long______(learn / she)  English before she went to London?

had she been learning...?

400

When  Anne  opened/had opened the door, she realized that somebody  broke/had broken into.

opened / had broken

400

I ________________________________ (study) all day, so I was tired.

had been studying

500

Past Participle of "dive"

dove or dived 

500

She told me that she ____________________ (study) a lot before the exam.

she had studied

500

It has rained for several hours before the bus finally came to pick us up. The wet weather had been dampening our mood which hadn't been great for the moral of the team but at least we were going home. 

It had been raining for several hours before the bus came to pick us up. The wet weather had dampened our mood which wasn't great for team moral but at least we were going home. 

500

I_____________ (woke up) to a very loud hum.

I had awoken to..

500

I ______ (work) (in/on/at) my project for five hours before I went to bed.

had been working on