1. 

1  Cried

2 Did...meet

3 Led

4 Crept

5 Began

6 Asked

7 Were

8 Left

2. 

1C watched

2B left

3A visited

4C moved

5C did...go

6A had

7D was

8A did...build

9B didn't eat

10C did...do

1 Have seen

2 Has been

3 Have read

4 Has written

5 Has taught

1. 

1 Pass

2 Writes

3 Went/Stayed

4 Played

5 Cash

6 did...go

7 Have...been

8 Miss

9 Has worked

10 Washed

2. 

1A left

2A have been

3C since

4C haven't seen

5B paid

6C has given

7D have written

8B haven't seen

9A started

10D has taught

3.

1 see->seen

2 since->for

3 do-> have done

4 have you finished->did you finish

5 has->X

6 has->X

Exercise 1

1. cried

2. Did / meet

3. led

4. crept

5. began

6. asked

7. were

8. left

Exercise 2 

1. C 

2. B 

3. A

4. C 

5. C

6. A

7. D

8. A 

9. B 

10. C 

Homework

Exercise:

1. have seen

2. has been

3. have read

4. has written

5. has taught

Task 1

1. pass

2. writes

3. went / Stayed

4. played

5. cash

6. did you go

7. have you ever been

8. miss

9. has worked

10. washed

Task 2

1. A

2. A

3. C 

4. C 

5. B

6. C 

7. D

8. B

9. A 

10. D

Task 3

1. see → seen

2. since → for

3. do → have done

4. have you finished → did you finish

5. bỏ has

6. bỏ has