6 Val asked me if scientists had found life on Mars many year before

7 Many people wondered if aliens or UFOs were real

8 Sally asked her best friend if they could go to the National Museum

6. Val asked me if scientists had found life on Mars many years before.

7. Many people wondered if aliens or UFOs were real.

8. Sally asked her best friend if they could go to the National Museum the following day/the next day.

Khi chuyển từ câu trực tiếp sang câu gián tiếp, quan trọng nhất là phải lùi thì:

HTĐ-QKĐ.

QKĐ-QKHT.

.....

và lưu ý đổi một số từ như:

can-could

ago-before

tomorrow-the following day/the next day

.....