`->` Dùng câu điều kiện loại `2` diễn tả `1` sự việc , `1` điều kiện không có thật ở hiện tại

`->` Đáp án : If + S + Vqkđ ( tober were), S + would/could + V

`21`, `->` If she didn't get up early, she would go to school late.

`22`,  `->` Unless = If ... not : nếu không 

`=>` Đáp án : Unless they study hard, they can't pass the exam.

`23`, Chuyển sang câu đk loại `2`

`=>` Đáp án : If I were you, I could do well as you.

`24`, Chuyển sang câu đk loại `2`

`=>` Đáp án : If they did exercise, they would be healthy.

`25`, If Mai didn't lazy, she wouldn't get bad marks at school.

21. She gets up early. She never goes to school late.

-> If she gets up early, she never goes to school late.

22. They can’t pass the exam if they don’t study hard.

-> Unless they don't study hard, they fail the exam.

23. I am not you. I can’t do well as you.

-> If I am you, I can do well as you too.

24. They don’t do exercise. They are not healthy.

-> If they don't do exercise, they are not healthy.

25. Because Mai is lazy, she gets bad marks at school.

-> If Mai is lazy, she gets bad marks at school.