(-) We didn’t do homework last night.

(?) Did you do homework last night?

(-) My father didn’t water flowers yesterday.

(?) Did your father water flowers yesterday?

6.

-.Last Sunday, I didn't go fishing with my dad

?.Did you go fishing with your dad last Sunday?

7.

-.I didn't have a good party last night. 

?.Did you have a good party last night?

8.

+.I did karate this morning

-.I didn't do karate this moring

9.

-.Two hours ago, she didn't eat at her favourite restaurant

?.Did she eat at her favourite restaurant two hours ago?

10.

-.I wasn't at school this morning

?.Were you at school this morning?

11.

+.They were happy yesterday.

?.Were they happy yesterday?

6. Last Sunday, I went fishing with my dad.

=>Last Sunday, I didn't go fishing with my dad.

7. I had a good party last night.

=> I had not a good party last night.

8. Did you do karate this morning ?

=>You didn't do karate this morning?

9. Two hours ago, she ate at her favourite restaurant.

=>Two hours ago, she didn't eat at her favorite restaurant.

10. I was at school this morning.

=>I was not at school this morning.

11. They weren’t happy yesterday.

=> They were happy yesterday.

(-) I didn’t play chess with my brother.

(?) Did you play chess with your brother?

(-) Jane wasn’t at school yesterday.

(?) Was Jane at school yesterday?

a) Khẳng định: My mum with my dad are shopping.

Phủ định: My mum with my dad aren't shopping.

Nghi vấn: Are my mum with my dad shopping?

b) Khẳng định: My brother has to study tonight and my mum had to go to work in the evening.

Phủ định: My brother hasn't to study tonight and my mum hadn't to go to work in the evening.

Nghi vấn: Do my brother has to study tonight and my mum had to go to work in the evening?

c) Khẳng định: Their house are tall.

Phủ định: Their house aren't tall

Nghi vấn: Are their house tall?

d) Khẳng định: There are stools under the calender.

Phủ định: There aren't stools under the calender.

Nghi vấn: Are there stools under the calender?

Các câu trên đều khẳng định =)).

Câu 1 đề sai

(-) Her sister didn’t wash the dishes yesterday.

(?) Did her sister wash the dishes yesterday?

1. my teacher doesn't love her students 

2 my sister and I don't do our homework every day

1. (-) my teacher doesnt love her student

    (?) does your teacher love her student very much ?

2. (-) my sister and i dont do our homework everyday

    (?) do your sister and you do your homework everyday ?

1.Câu phủ định : My teacher doesn''t love her student very much.

   Câu nghi vấn : Does my teacher love her students very much ?

2.Câu phủ định : My sister and I don't do our homework every day.

   Câu nghi vấn : Do my sister and I do our homework every day ?

3. the price didn't want to mary that girl

4. they didn't ride bicycle to school

5. i didn't have english yesterday

6. he didn't use to my best friend

các câu trên đều sử dụng cấu trúc khẳng định chia thì qkd với dt thường

cấu trúc : s + didn't + v_inf + o + ...

7. did your father use to tell you stories ?

8. was she in class 7a last year ?

9. did the prince want to marry that girl ?

10. did they ride bicycle to school ?

11. did you have english yesterday

12. did he use to be your best friend ?

cấu trúc câu nghi vấn với dt thường : did + s + vo ?

cấu trúc câu nghi vấn với qkd và dt tobe : was/were + s + o/adj ?

13. my house is not big enough for us to live in

14. i am old enough to play games 

15. she is lucky enough to have a good friend

cấu trúc : s + tobe + adj + enough + (for sb) + to v_inf