1.If the test weren't so difficult , we could finish it on time

`->`If 2 : If S + V quá khứ,  S would V

2.The man who is wearing a blue shirt is Mr.Tan

`->`who thay thế N chỉ người làm chủ ngữ , tân ngữ

3.Although his life is hard , he .........

`->`Although + MĐ : mặc dù

4.Why don't we collect the waste ..... ?

`->`.Why don't we + V ? : tại sao chúng ta không

5..If she knew the answer , she could tell me

`->`If 2 : If S + V quá khứ,  S would V

6.She is a famous singer whom we saw on .....

`->`whom thay thế N chỉ người làm tân ngữ

7.Although it rained heavily  , he .........

`->`Although + MĐ : mặc dù

8.Hoa suggested collecting ......

`->`Suggest Ving : đề xuất làm gì

`#Cam`