Công thức thì QKĐ (V: to be)

(+) S + was/were + ... 

(-) S + was/were + not ... 

(?) Was/Were + S ... ? 

S số ít, I, he, she, it + was

S số nhiều, you, we ,they + were

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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Các từ để hỏi (Wh):

- Why: tại sao 

- How many : số lượng 

- Who: ai 

- What: cái gì 

- How: như thế nào

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2. Why did she call the firemen?

3. How many kilos of oranges did you buy?

4. Who did John write about?

5. What did you do last night?

6. What did she make for her mother?

7. Who did Susan give the money to?

8. How did you go to school?

9. Why were you tired yesterday morning?

10. How many people did Mary invite to the party?

`color{orange}{~LeAiFuRuiHuiBao~}`