Past perfect or past simple1 they (already/eat) all the bread when the waiter (bring) the meal.2 he ) the car for twelve years when he ) it.3 she (never/phone) the dentist before.4 the baby ) asleep by 11 o’clock.5 i (go) to bed as soon as i (finish) all the grammar exercise.6 we prepare) the food before the guests ).7 mum (already make) breakfast when we (get up).8 kate (start) studying after john (leave).9 she (realise) that she (forget) her book at home.10 lisa’s mother ) her a kitten yesterday because she ) well in the concert the night before.past perfect or past perfect continuous11 the thief ) the car for years before he was caught.12 the phone ) for ten minutes before he answered it.13 the decorator paint) all the walls before dad got home.14 i ) the housework all day, so i decided to take a break.15 they ) all the pizza before i got there.past simple, past continuous, past perfect or past perfect continuous16 he was tired. he ) since 8 a.m.17 she ) the fish when the frying pan caught fire.18 tom n) from the cinema at five o’clock.19 she ) a letter while she talk) on the phone.20 mother ) that nick wash) his hands..

1 They had already eaten all the bread when the waiter brought the meal.
2  He had had the car for twelve years when he sold it.
3 She had never phoned the dentist before.
4 The baby had fallen asleep by 11 o’clock.
5 I went to bed as soon as I had finished all the grammar exercises.
6 We had prepared the food before the guests arrived.
7 Mum had already made breakfast when we got up.
8 Kate started studying after John had left.
9 She realized that she had forgotten her book at home.
10  Lisa’s mother bought her  a  kitten  yesterday  because  she had sung well  in  the  concert  the  night  before.

Past Perfect or Past Perfect Continuous
11 The thief had been stealing the cars for years before he was caught.
12 The phone had been ringing for ten minutes before he answered it.
13  The decorator had been painting all the walls before Dad got home.
14  I had been doing the housework all day, so I decided to take a break.
15 They had eaten all the pizza before I got there. 

Past Simple, Past Continuous, Past Perfect or Past Perfect Continuous
16  He was tired. He had been driving since 8 a.m.
17  She was frying the fish when the frying pan caught fire.
18  Tom returned from the cinema at five o’clock.
19  She was typing a letter while she was talking on the phone.
20  Mother saw that Nick had not washed his hands.