Chuyển câu về dạng khẳng định, phủ định: There was a football match on TV last night

1. (-) : There wasn't a football match on TV last night

(?) Was there a football match on TV last night?

2. (+): There were some people in the room

(?): Were there people in the room?

3. (+): She went out yesterday.

(?): Did she go out yesterday?

4. (+): They didn't go on a picnic last summer

(?): Did they go on a picnic last summer?

5. (+): The students did their hw last night

(-): The students didn't do their hw last night

6. (+): I was at the seaside yesterday

(?) Were you at the seaside yesterday?

7. (+): Yesterday was sunday

(-): Yesterday wasn't sunday