−- Câu nghi vấn ( thì QKĐ): (Wh-question)+ did+ S+ V+...??

11. Where did you go to school??

22. When did she arrive??

33. Why did he eat so much??

44. What did they do yesterday??

55. Who did your meet at the party??

66. How did she come to work this morning??

77. Where did I leave my glasses??

88. When did he get home last night??

99. What did you do at the weekend??

1010. Why did she get angry?

1. (where / you / go to school?) 
Where did you go to school??

2. (when / she / arrive?) 
When did she arrive??

3. (why / he / eat so much?)
 Why did he eat so much?

4. (what / they / do yesterday?) 
What did they do yesterday??

5. (who / you / meet at the party?)
 Who did your meet at the party?