He did not write a book
Did he write a book ?
They built a new house
Did they build a new house?
You bought clothes in this clothes shop
You did not buy clothes in this clothes shop
He did not swim in the lake
Did he swim in the lake?
She went to her office by car
Did she go to her office by car?
1He didn't write a book
Did he write a book?
2They built a new house
Did they build a new house?
3You bought clothes in this clothes shop
4He didn't swim in the lake
Did he swim in the lake?
5She went to her office by car
Did she go to her office by car?
Chúc em học tốt
He did not write a book
Did he write a book ?
They built a new house
Did they build a new house?
You bought clothes in this clothes shop
You did not buy clothes in this clothes shop
He did not swim in the lake
Did he swim in the lake?
She went to her office by car
Did she go to her office by car?
HT 
1.
He didn't write a book
Did he write a book?
2.
They built a new house
Did they build a new house?
3.
You bought clothes in this clothes shop
You didn't buy clothes in this clothes shop
4.
He didn't swim in the lake
Did he swim in the lake?
5.
She went to her office by car
Did she go to her office by car?
TK
1. He didn't write a book.
Did he write a book?
2. She wasn't my boss.
Was she my boss?
3. They built a new house.
Did they build a new house?
4. I was at the concert last Sunday.
Was I at the concert last Sunday?
5. You bought clothes in this clothes shop.
You didn't buy clothes in this clothes shop.
