1. lan said to me:'' you are looking much better''

-->lan told me that I was looking much better.

2. Mr.smith said to her:'' where will you go on your vacation

--> Mr.smith asked her where she would go on her vacation.

3. she said to me:'' I will do it if necessary I can''

--> She said to me she would do it if necessary she could.

4. she asked me '' can you speak english''?

--> She asked me if I could speak English

-câu gián tiếp: S+told+O+that+S+V_lùi thì...    

S+asked+O+WH-question+S+V_lùi thì...

S+asked+O+if/whether+S+V_lùi thì...

1. are looking (hiện tại tiếp diễn) -> was looking (quá khứ tiếp diễn)

2. will-> would

3.will-> would ; can->could

4.can-> could

Rewrite the sentences

1. Lan told me that I was looking much better.

(Lan nói rằng tôi trông ổn hơn nhiều rồi)

2. Mr. Smith asked her where would she go on her vacation. 

( Ông Smith hỏi cô ấy rằng cô ấy định đi đâu vào kỳ nghỉ)

3. She said to me she would do it if necessary she could.

( Cô ấy nói với tôi rằng cô ấy sẽ làm nếu cần)

4. She asked me if I could speak English.

(Cô ấy hỏi tôi rằng tôi có thể nói Tiếng anh không)