1. The teacher asked the students if they could close the window for her/him.

2. Minh said he had eaten two eggs that morning.

3. Thu said she had received lots of lucky money on Tet holiday.

4. Minh said that I had studied hard the previous year.

5. My mother said to me that I had sung beautifully the previous night.

Have a nice day!!!

The teacher said to students ," Could you close the window for me, please?"

=>The teacher asked students if they could close the window for her.
Minh said," I ate two eggs this morning"

=>Minh said that he had eaten two eggs that morning.
Thu said," I received lots of lucky money on Tet holiday"

=>Thu said that she had received lots of lucky money on Tet holiday.
Minh said," You studied hard last year"

=>Minh said that I had studied hard the previous year
My mother said to me ," You sang beautiful last night"

=>My mother said to me thatI had sung beautiful the previous night.

Khi chuyển từ câu trực tiếp sang câu gián tiếp,ta phải lùi 1 thì,từ HTĐ xuống QKĐ,từ QKĐ xuống QKHT,từ HTTD xuống QKTD,....