Bai1

1,Have you washed

2,haven't had

3,have you already done
4 have just come
5 came
6 called / arrived / had just finished
7 haven't you seen
8 haven't had
Bai2

1 have just cycled
2 cycled
3 wrote
4 have already written 
5 have just rung
6 rang
7 watched
8 have already seen 
9 spent
10 haven't been 

Bai3:

1 Have you ever been

2 have been

3 was / have been

4 spent / went

5 Do you like

6 had

7 have never been

Exe 1:

1.Have you washed

2.have not had

3.have you already done

↔bạn đã làm xong chưa

4. have just come

↔vừa mới đến

5. came

6. called .........arrived ......... had just finished

7. have not you seen

8. have not had
Exe 2:

1. have just cycled

2. cycled

3. wrote

4. have already written 

5. have just rung

6. rang

7. watched

8. have already seen 

↔đã thấy
9. spent

10. have not been 

Exe 3:

1. Have you ever been

2. have been

3. was ..........have been

4. spent..............went

5. Do you like

6. had

7. have never been

↔chưa bao giờ

(mấy từ khó mình đã dịch nghĩa rồi)