=>

1. My mother is going to do the housework tomorrow.

-> tomorrow (be going to V)

2. How many pupils are there in your class?

-> how many + N đếm được số nhiều (bao nhiêu)

3. She didn't know how to dance.

-> thì QKĐ (S didn't V)

4. Which language does he speak?

-> thì HTĐ (does S V?)

5. My father often goes to work by motorbike.

-> often (HTĐ, S Vs/es)

6. Does Ben love playing with cats and dogs?

-> Does/Do S V?

7. Don't let children play neẻ the park.

-> let sb V: để ai làm gì

8. They didn't buy anything at the supermarket yesterday evening.

-> yesterday evening (S didn't V)

9. Let's buy a present for Scarlet's wedding party.

-> Let's V (đề nghị, đề xuất)