Put the verbs into the correct tense (Past Simple or Past Perfect).
1.We (throw) away the flowers that we (bring).
2.Wendy (send) the letter that she (write).
3.The gardener (trim) the trees that he (plant).
4.I (get) into the taxi that my friend (order) for me.
5.She (wear) the jumper that her mum (knit).
6.Yesterday a boy (destroy) the snowman that we (build).
7.Jimmy (tell) us about the film that he (see).
8.We (find) the mobile phone that Marvin (lose).
9. He (sing) a song that I (hear/never).
10.Catherine (open) the window that I (close/just).

Ответы
Ответ:
1.We threw away the flowers that we had brought.
2. Wendy sent the letter that she had written.
3.The gardener trimmed the trees that he had planted.
4.I got into the taxi that my friend had ordered for me.
5.She wore the jumper that her mum had knitted(had knit).
6.Yesterday a boy destroyed the snowman that we had built.
7.Jimmy told us about the film that he had seen..
8.We found the mobile phone that Marvin had lost.
9. He sang a song that I had never heard.
10.Catherine opened the window that I had just closed.
Объяснение
Past Perfect (had+participle II) употребляется в трех случаях:
Past Perfect (had+participle II) употребляется в трех случаях:1. Для обозначения действия, произошедшего до другого действия в прошлом:
Объяснение :Past Perfect (had+participle II) употребляется в трех случаях:1. Для обозначения действия, произошедшего до другого действия в прошлом:I had had breakfast ,before going to work.
Объяснение :Past Perfect (had+participle II) употребляется в трех случаях:1. Для обозначения действия, произошедшего до другого действия в прошлом:I had had breakfast ,before going to work.2.Для обозначения действия, результат которого был виден в прошлом:
Объяснение :Past Perfect (had+participle II) употребляется в трех случаях:1. Для обозначения действия, произошедшего до другого действия в прошлом:I had had breakfast ,before going to work.2.Для обозначения действия, результат которого был виден в прошлом:I was upset.I had forgotten my bag in the car.