Ex2:

1.

(-)She didn't play tennis yesterday afternoon.

(?)Did she play tennis yesterday afternoon?

2.

(-)I didn't watch a football match (on) TV last night.

(?)Did I watch a football match (on) TV last night?

3.

(-)Binh didn't go to school last week.

(?)Did Binh go to school last week?

4.

(-)Duong didn't win for the first prize.

(?)Did Duong win for the first prize?

5.

(-)They didn't have a good weekend.

(?)Did they have a good weekend?

6.

(-)He didn't eat seafood yesterday evening.

(?)Did he eat seafood yesterday evening?

Ex3:

1.Do morning excercise.

2.Don't talk in the class.

3.Take your rain coat.

4.Listen to your mother.

5.Don't work too hard.

6.Don't stay up late.

Chúc bạn học tốt ^_^!!!
(Nếu thấy hay hãy vote 5*,cảm ơn và bình chọn là câu trả lời hay nhất để mik có động lực giải tiếp các BT khác nhé!)

Did she play tennis yesterday afternoon?

She did not play tennis yesterday afternoon

2. Did you watch a football match TV last night ?

    I did not watch a football match TV last night ?

3. Did Binh go to school last week ?

    Binh did not go to school last week?

4. Did Duong win for the first prize?

    Duong did not win for the first prize

5. Did they have a good weekend

   They did not have a good weekend

6. Did he eat seafood yesterday evening?

   He did not eat seafood yesterday evening.

EX3:

1. Do morning exercise!

2. Don't talk in the class!

3. Take your raincoat. It's raining.

4. Listen to your mother!

5. Don't work too hard!

6. Don't stay up late!

Cho minh cau tra loi hay nhat nhe