1. I'll (I will) open the window.
2. He won't (he will not) write a complaint.
3. He'll spend his holiday there.
Hello! Today I want to tell you about my favourite subject - Maths. I like because at Maths lessons we do a lot of interesting and various tasks. Maths is the best subject! I can't without it!
2 Tom had returned from the cinema by five o'clock.
4 I had finished my homework by seven o'clock.
3 He thought that he had lost the money.
6 Ann told me that she had seen an interesting film.
7 When I came home , mother had already cooked dinner.
8 When father returned from work, we had already done our homework.
9 When the teacher entered the classroom, the pupils had already open their books.
10 Kate gave me the book that which she had bought the day before.
11 Nick showed the teacher the picture which he had drown.
12 The boy gave the goats the grass which he had brought from the field.
13 Mother saw Nick hadn't washed his hands.
14 The teacher understood that Lena hadn't done her homework.
15 I knew that my friend hadn't come yet.
16 When I woke up yesterday, father had already gone to work.
17 Nick though that his father hadn't come home yet.
18 Mary told us that she had cooked a good dinner.
19 Yesterday I found the book which I had lost in summer.
20 When we came to the station, the train had already left.
Только не present perfect, а past perfect.
1 Yes,they were
2 No,they weren’t
3 No,she wasn’t
4 Yes,you were
1was walking saw
2were standing arrived
3 read (э)
4was playing chess