1. If you pass your examination, we will have a celebration.

⇒ Đk loại 1

Form: If S + V(HTĐ) S + V (TLĐ)

2. Lisa would find the milk if she looked for it in the fridge.

⇒ Đk loại 2

⇒ If + S + V (QKĐ) , S + would/ could/ might + V

3. What will happen if i press this button ?

⇒ Đk loại 1

Form: If + S + V (HTĐ) , S + V ( TLĐ)

4. If someone offered to buy you one of those rings, which would you choose?

⇒ Đk loại 2, form ở trên ↑↑

5. The flight may be led if the fog gets thick.

Form: S + may be + Ved/V3.

_______________________________________________________

`color{orange}{-QueenCrazyInLuv-}`

If 1:

If + S + am/is/are , S + will/can/shall + V1

If + S + V1/s/es , S + will/can/shall + V1

If 2:

If + S + were , S + would / could + V1 

If + S + V2/ed , S + would / could + V1 

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

1. will have

2. looked

3. will happen

4. would you choose 

5. gets

`color{orange}{~LeAiFuRuiHuiBao~}`