Exercise 1)

1. Sam phoned me three times yesterday

2. Bill spent much time in the library yesterday

3. Kate was present at the History lesson yesterday

4. We understood that grammar material at the last lesson

5 Tom sent an SMS to his friend one hour ago

6. Alice wrote a nice poem two hours ago

7. The boys won the game last Monday

8. I helped my brother with Maths yesterday

9 The girls are very friendly

10. Liz sees a very beautiful cat

   2)

1. did not

2. was npot

3. did not take

4. was not

5. did not swim

6. did not see

7. did not speak

8. did not fly

9. was not

10. did not rain

  3)

1. Where we go yesterday?

2. Who was the winner of the compitition?

3. How many presents did the bought yesterday?

4. Who did Andrew visit?

5. How does Tom play the guitar?

6. What did Ben tell me yesterday?

7. Where were they at the theatre?

8. Who were at the meeting yesterday?

9. Whose bike you ride in the street yesterday?

   4)

1. went→ go

2. go→ went

3. bought→ buy

4. weren't→ was not

5. not was→ was not

6. have→ had

7. didn't→ did not

8. not phoned→ phoned

9. send→ sent

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