10. you (see) Sam yesterday?

10.Did you see Sam yesterday это правильно

Have you seen Sam yesterday?

Объяснение:

В данном случае можно поставить либо have либо did, не важно.

1. Steve always arrived at work in time.

Steve will always arrive at work in time.

2. They often saw Tom because he lived near them.

The will often see Tom because he will live near them.

3. Julia was an artist. She drew very beautiful pictures.

Julia will be an artist. She will draw very beautiful pictures.

4. It snowed a lot in winter.

It will snow a lot in winter.

5. Did they go to the cinema?

Will they go to the cinema?

6. Fred and Lisa didn't like anybody and nobody liked them.

Fred and Lisa won't like anybody and nobody will like them.

7. Did your brother like football?

Will your brother like football?

8. Mary spoke Italian but she didn't speak English.

Mary will speak Italian but she won't speak English.

9. I didn't know where Martin was.

I won't know where Martin will be.

10.She went to the theatre once a week.

She will go to the theatre once a week.