Giúp e bài tập tiếng anh lớp 4 nhé

`1.` What does Mai do to help at home ?

`-` Hiện tại đơn : (Wh) + Do/Does + S + V-inf + ... ?

`2.` Who has to lay the table ?

`-` have to + V-inf : phải làm gì

`3.` My father is sweeping the floor.

`-` Hiện tại tiếp diễn : S + am/is/are + V-ing + ...

`4.` We don't have to wash our clothes.

`-` not have to V-inf : không phải làm gì

`5.` There are five rooms in my house.

`-` There + is/are + N + ...

`1.`

$\text{Form:}$

`+)` Wh/H + do/does + S + V + adv/O?

`->` What does Mai do to help at home?

`2.`

$\text{Form:}$

`+)` Who + V + adv/O?

`+)` S + have/has to do sth

`->` Who has to lay the table?

`3.`

$\text{Form:}$

`+)` S + am/is/are + V-ing + adv/O

`->` My father is sweeping the floor.

`4.`

$\text{Form:}$

`+)` S + have/has to do sth

`->` We don't have to wash our clothes.

`5.`

$\text{Form:}$

`+)` There are + N(số nhiều)

`->` There are five rooms in my house.