giup em voi a

"Can you help me with my homework?" Quan said to his sister

"Could you speak more slowly?" I asked the foreigner

"Would you bring me a cup of coffe,please?" my father asked me

"You should concentrate on your lesson"Mr.Van told me

`1,` Quan asked his sister if she could help him with his homework

- Lùi thì : can -> could

- Đổi ngôi : you -> she ; me -> him ; my -> his

`2,` I asked the foreigner if he/she could speak more slowly

- Đổi ngôi : you -> he/she

`3,` My father asked me if I would bring him a cup of coffee

- Đổi ngôi ; you -> I ; me -> him

`4,` Mr.Van told that I should concentrate on my lesson

- Đổi ngôi : you -> I ; your -> my

__________________________

`@` GT - Câu kể : S + said/told + (that) + S + V(lùi thì/đổi ngôi)

`@` GT - Yes/No : S + asked (+ O)/wanted to know/wondered + if/whether + S + V(lùi thì/đổi ngôi)

`1.` Quan asked his sister if she could help him with his homework.

`-` Câu tường thuật dạng câu hỏi Yes/No :

S + asked + O + if/whether + S + V(lùi thì)

`2.` I asked the foreigner if he could speak more slowly.

`3.` My father asked me if I would bring him a cup of coffee.

`4.` Mr.Van advised me to concentrate on my lesson.

`-` concentrate on sth : tập trung vào cái gì

`-` advise sb to V-inf/not to V-inf : khuyên ai làm gì/không làm gì