1. Tom said that his mother was making a birthday cake for his younger sister then

2. She said that they had gone to China three years ago

3. Rosie said that she was going to see the dentist the next day

4. David asked me if I would join their party that day

5. She asked me if he could speak English fluently

6. Joseph told me that the day before was the worst day he had ever experienced

7. She told me my new dress looked very nice

8. Karen asked me how many students there were in my class

9. Linda said she was very disappointed because Harvard University had turned down her application

10. She asked me why I hadn't told her the truth

*Statement:

S + said + (that) + S + V

S + said + to + O + (that) + S + V

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

*Yes - No question: S + asked + (O) + if/ whether + S + V

*Wh - question: S asked + (O) + question word + S + V

*Lùi thì:

QKĐ → QKHT

HTĐ → QKĐ

HTHT → QKHT

HTTD → QKTD

QKTD → QKHTTD

HTHTTD → QKHTTD

will → would

can → could

may → might 

must → had to

shall → should

be going to → was/ were going to

ĐÁP ÁN+GIẢI THÍCH:

1. Tom said (that) his mother was making a birthday cake for his younger sister then

2. She said (that) they have gone to China the previous 3 years

3. Rosie said (that) she was going to see the dentist the next day

4. David asked me if i would join their party tonight

5. She asked me if he could speak English fluently

6. Joseph told me (that) the day before was the worst day he had ever experienced

7. She told me (that) my new dress looked very nice

8. Karen asked me how many students there were in my class

9. Linda said she was very disappointed because Harvard University has turned down her application

10. She asked me why i weren't tell her the truth

*LƯU Ý:

+KHI CHUYỂN TỪ CÂU TRỰC TIẾP SANG GIÁN TIẾP THÌ CÂU HỎI KHÔNG CÒN MANG HÌNH THỨC CÂU HỎI NỮA. NGHĨA LÀ: TA KHÔNG ĐẢO TRỢ ĐỘNG TỪ RA ĐẦU CÂU VÀ CŨNG KHÔNG CÒN DẤU CHẤM HỎI NỮA.