7-She said that thay would help if they could (câu phát biêu)

8-She told me that she would do the washing-up later.

9-She said that she could read when she was three.

10-She said that she was sleeping when Julie called.

CT của câu mệnh lệnh: 

1) S + said + (that) + S + V

2) S + told + O +(that) + S + V

7. She said they would help if they could 

( trong câu gián tiếp các Modal verbs như sau thì không được lùi thì: might, could, would, should, ought to )

8. She told me She would do the washing up later 

( S + said  / told + (that) + S + V( lùi thì )

9. She said she could read when she had been three 

( could : giữ nguyên ; lùi thì was ⇒ had been )

10. She said she had been sleeping when Julie had called

( lùi thì was ⇒ had been ; called ⇒ had called )