1/ NV: did your family go to danang last summer

   PĐ: my family did not go to danang last summer

2/ NV: did the carpet get very heavy wear

   PĐ: the carpet did not get very heavy wear

3/ NV: did your father play chess with your brother last night

    PĐ: my father did not play chess with my brother last night

4/ NV: did he make a clean sweep of documentaries

    PĐ: he did not make a clean sweep of documentaries

5/ NV: did his aunt give you a new bag last Thursday

     PĐ: his aunt did not give me a new bag last thursday

- Phủ định:

 1. My family didn't go to Danang last summer.

 2. The carpet didn't get very heavy wear.

 3. My father didn't play chess with my brother last night.

 4. He didn't make a clean sweep of documantaries.

 5. His aunt didn't give me a new bag last Thursday.

- Nghi vấn:

1. Did your family went to Danang last summer ?

2. Did the carpet get very heavy wear ?

3. Did your father play chess with your brother last night ?

4. Did he make a clean sweep of documantaries ?

5. Did his aunt give you a new bag last Thursday ?