Công thức thì QKĐ (V: thường)

(+) S + V2/ed 

(-) S + didn't + V1 

(?) Did + S+ V1?

DHNB: ago, last (year, month ...), yesterday, in + năm QK, ...

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What: cái gì 

Where: ở đâu 

When: khi nào 

Who: ai 

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I)

a. Why did you go to school this morning?

b. What did you do at 6 a.m last week?

c. What time did Jame sleep yesterday?

d. Where did you buy this piano?

e. Last night, who did talk with you?

II)

1. What did you do yesterday?

2. Where did you buy this book near your house?

3. When did you go to the bed?

4. Who did you talk with yesterday?

`color{orange}{~MiaMB~}`