1. Is/late/ why/ Tom

2.why/unhappy/ are/you

3.the children/ why/cold/ are

4.when/is/at home/his sister

5.for/is/what/homeword

Giúp e nha

`1`. Why is Tom late?

`2`. Why are you unhappy?

`3`. Why are the children cold?

`4`. When is his sister at home?

`5`. What is for homework?

`-----`

`***` Thì hiện tại đơn với tobe:

`(+)` S + am/is/are + adj/N

`(-)` S + am/is/are + not + adj/N

`(?)` (Wh) + Am/Is/Are + S + adj/N?

`1.` Why is Tom late?

`2.` Why are you unhappy?

`3.` Why are the children cold?

`4.` When is his sister at home?

`5.` What is for homework?

`− − − − −`

`***` Thì hiện tại đơn với tobe:

`( + )` S + am/is/are + O

`( − )` S + am/is/are + not + O

`( ? )` (Wh) + Am/Is/Are + S + O?