`1.` helped `-` would do

`2.` would water `-` stayed

`3.` had `-` would buy

`4.` offered `-` would take

`5.` would have `-` lived

`6.` would sell `-` repaired

`7.` used `-` would be

`8.` would be `-` taught

`9.` visited `-` would go

`10.` would come `-` planned

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`-` Cấu trúc câu điều kiện loại `2:`

`->` If `+` S `+` were`/`Ved/C2`/` didn't `+` V, S `+` would/could (not) `+` V-inf 

`+` Mệnh đề If: S `+` V (past simple `-` QKĐ)

`+` Mệnh đề chính: S `+` would/could (not) `+` V-inf

`->` Diễn tả `1` hành động, sự việc không thể xảy ra trong hiện tại hoặc tương lai.

1 . If you helped (help) your grandma, I would do (do) the shopping.

2. Andrew would water (water) the flowers if he stayed (stay) at home.

3. If she had (have) 5 pounds more, she would buy (buy) herself this T-shirt.

4. If they offered (offer) me the job, I would take (take) it.

5.You would have (have) summer holidays from June till August if you lived (live) in the USA.

6.We would sell (sell) the bike for 20 Euros if Ron repaired (repair) it.

7.If you used (use) a pencil, the drawing would be (be) perfect.

8.The children would be (be) happy if he taught (teach) them English.

9.If Green visited (visit) us, we would go (go) out tonight.

10.They would come (come) again if he planned (plan) a second stay.

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Các câu 1 , 3 , 4 , 7 và 9 sử dụng công thức :

If + S + V2/ed, S + would + V

Các câu 2 , 5 , 6 , 8 và 10 sử dụng công thức:

S + would + V if + S + V2/ed

Công thức tổng quát: 

If + S + V2/ed, S + would/could/might + V (nguyên mẫu).