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, ...

Công thức thì HTTD 

(+) S + am/is/are + Ving 

(-) S + am/is/are + not + Ving 

(?) Am/Is/Are +S +Ving? 

DHNB: now, right now, (!), at present, at the moment,.....

Công thức thì HTHT

(+) S + has/have + V3/ed 

(-) S + has/have + not + V3/ed 

(?) Has/Have + S+ V3/ed?

DHNB: before, since + mốc thời gian, for + khoảng thời gian, yet, already, just,....

Công thức thì HTĐ (V: tobe)

(+) S + am/is/are ..

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

Công thức thì HTĐ (V: thường)

S số ít, he, she, it 

(+) S + Vs/es

(-) S+ doesn't + V1 

(?) Does +S +V1?

S số nhiều, I, you, we, they

(+) S + V1 

(-) S+ don't + V1 

(?) Do + S+ V1? 

DHNB: always, usually, sometimes, often, never, seldom,....

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Why: tại sao 

When: khi nào 

Who: ai 

How: như thế nào 

What: cái gì 

Where: ở đâu

How long: bao lâu

-------------------------------------------------

1. Why did she write her essay carefully?

2. When is Nga having a birthday party?

3. When was the last time we saw her? 

4. Who have you invited to your dinner-party?

5. When did Minh last write to his pen-pal?

6. How did he begin his career? 

8. What helps students feel equal in many ways?

9. Why did your aunt get heavily stressed? 

11. Where have you just planted roses?

12. What do you have to do during the dry season? 

13. How long did it take you to get to London?

14. What makes people different from all other animals?

15. What does Ann look like and how is her behavior?

17. When did your father give up smoking? 

18. Why did you get lost?

19. Why does Miss Phuong love teaching?

20. Why is David sometimes sad?

`color{orange}{~MiaMB~}`