Cấu trúc dk loại II :

 If +S + V 2_ ed , S + would / could / should + Vnt 

  1 . found - would take 

  2.  was - would be 

  3. would be - saw

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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Câu điều kiện (If 2): If + QKĐ, S + would / could + V1

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1. found / would take 

2. were / would be

3. would be / saw 

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