`1.` I cant come because I have to help my dad with something.

--> If I didn't have to help my dad with something, I could come.

`2.` You should practice Drop, Cover and Hold on with family. (would)

--> If I were you, I would pratice Drop, Cover and Hold on with family.

`3.` Dont leave the tap running while brushing your teeth, or you will waste water.

--> If you leave the tap running while brushing your teeth, you will waste water.

`-` Câu điều kiện loại 1: S+ V(s/es), S+ will, can,...+ V-inf

`4.` The weather is bad, so we cant go hiking in the mountains.

--> If the weather weren't bad, we could go hiking in the mountains.

$-------------------------$

`@` Cấu trúc câu điều kiện loại 2:

`⇒` S+ V-ed/ PI, S+ would, could,...+ V-inf

`⇒` S+ were (not)+ adj/ N, + would, could,...+ V-inf

`-` Chú ý: `Were` được dùng với tất cả các ngôi trong câu điều kiện loại `2`

$#Jade$

1. I can't come because I have to help my dad with something.

-> if I didn’t have to help my dad with something, I'd come

-> Câu điều kiện loại 2 :  [If + thì quá khứ đơn],  [would + động từ nguyên mẫu]

2. You should practice Drop, Cover, and Hold on with the family. (would)

->If i were you,i would practice Drop,Cover and Hold on with family

-> Câu điều kiện loại 2 :  [If + thì quá khứ đơn],  [would + động từ nguyên mẫu]

3. Don't leave the tap running while brushing your teeth, or you will wastewater.

->If you leave the tap running while brushing your teeth, you'll waste water.

->Câu điều kiện loại 1:  [If + thì hiện tại đơn],  [will + động từ nguyên mẫu]

4. The weather is bad, so we cant go hiking in the mountains.

-> If the weather weren't bad, we could go hiking in the mountains.

-> If 2: If + S1 + V2/ed, S2 + would/could + Vinf