4)

2. She lost her keys last week.

3. She met her friend yesterday evening.

4. Yesterday I bought two newspapers.

5. Last Sunday we went to the cinema.

6. Yesterday I ate an orange.

7. This morning he had a shower.

8. They came to see us last Friday.

5)

2. I did my homework yesterday.

3. I ate my dinner yesterday.

4. I watched TV yesterday.

5. I phoned my friend yesterday.

6)

2. didn't work

3. didn't go

4. didn't have

5. didn't do