I went to a party last night. (Where) → Where did you go last night?

• Ở đây, chúng ta muốn hỏi về nơi đã đi nên dùng từ để hỏi "Where".

He goes to the cinema every Saturday. (How often) → How often does he go to the cinema?

• Để hỏi về tần suất (bao lâu một lần), ta dùng "How often".

I've got a red scarf. (What) → What have you got?

• Khi hỏi về vật gì đó, ta dùng "What".

I go to bed at midnight. (What time) → What time do you go to bed?

• Để hỏi về giờ, ta dùng "What time".

I met an old friend yesterday. (Who) → Who did you meet yesterday?

• Khi hỏi về người, ta dùng "Who".

He arrived at 6 o'clock yesterday. (When) → When did he arrive yesterday?

• Để hỏi về thời gian (khi nào), ta dùng "When".

He bought new trainers because his old ones didn't fit him any more. (Why) → Why did he buy new trainers?

• Để hỏi về lý do, ta dùng "Why".