`1`. If you weren't a rich man, you could understand me.

`2`. If he saw the signal, he would stop his car. 

`3`. If you often talked to them, they would understand you.

`4`. If Kate didn't K-pop music, she wouldn't spend the money to buy tickets for the concert.

`5`. If I didn't work hard all day, I wouldn't go to bed early.

* Cấu trúc câu điều kiện loại 2:

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

$\text{1.}$ If you weren't a rich man, you could understand me.

$\text{→}$ Câu đk loại 2 trái với HT: If + S + P1/ were, S + would/ could/ might + V.

$\text{2.}$ If he saw the signal, he would stop his car.

$\text{→}$ Câu đk loại 2 

$\text{3.}$ If you often talked to them, they would understand you.

$\text{→}$ Câu đk loại 2

$\text{4.}$ If Kate didn't like K-pop music, she wouldn't spend the money to buy tickets for the concert.

$\text{→}$ Câu đk loại 2

$\text{5.}$ If I didn't work hard all day, I wouldn't go to bed early.

$\text{→}$ Câu đk loại 2