Câu tường thuật - dạng Yes/No-questions 

S + asked / wanted to know / wondered + (O) +if/whether + S+ V (lùi thì)

Câu tường thuật - dạng Wh-questions 

S + asked / wanted to know / wondered + (O) +WH + S+ V (lùi thì)

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Task 1:

1. I wish I could help you.

S + wish(es) + S + could + V1 : ước ở hiện tại

2. Mary wishes she would be able to attend your wedding next week.

S + wish(es) + S + would + V1 : ước ở tương lai 

3. He wishes he had a computer at home.

S + wish(es) + S + V2/ed  : ước ở hiện tại

Task 2:

1. Mary asked Tom if he went to school by bicycle.

HTD --> QKD

2. A foreigner asked us if we could speak English.

can --> could

3. Mrs. Mi asked me what time he would come.

will --> would

`color{orange}{~LeAiFuRuiHuiBao~}`