1. I am at school at the weekend

2. She doesn't study on Friday 

3. My students are aren't hard working . 

4. He has a new hair cut .

5. I usually have breakfast at 7.00.

6. She lives in a house .

nếu câu hỏi có dấu ? thì phải có Does đằng trước ⇒ Does she live in a house

Nếu bạn có câu She (live) ________ in a house? thì có thể là đề bài sai nhé

1. I (be) _____ at school at the weekend.

⇒ am 

⇒ Thì HTD

⇔ S + am/is/are +  ...

2. She (not study) ________ on Friday.

⇒doesn't study 

⇒ Thì HTD

⇔ S + don't/doesn't +  Vo

3. My students (be not) ________ hard working.

⇒aren't

⇒ Thì HTD

⇔S + am/is/are + not + ... 

4. He (have) ________ a new haircut today.

⇒ has

⇒ Thì HTD 

⇔ S + V(s/es) + ...

5. I usually (have) ________ breakfast at 7.00.

⇒ have
⇒ Thì HTD 

⇔ S số nhiều + Vo+ ...

6. She (live) ________ in a house?

⇒ Does she live in a house?

⇒ Thì HTD 

⇔ Do / Does + S + V