Exercise: Kết hợp câu dùng câu điều kiện.
11. If you do not like this one, I'll bring you another.
--> Unless...
12. Martin failed his driving test last week because he was very nervous.
--> If...
13. He paid me last night. I had enough money to buy a car.
--> If...
14. I stayed up late last night that's why I can't get up early today.
--> If...
15. If you can't arrive at the office earlier, please turn on the airconditioner.
--> Unless...
16. He got troubles, so he couldn't go to the airport on time.
--> If...
17. The car breaks down so often because you don't take good care of it.
--> If...
18. He tells lies to his boss that's why he is fired at once.
--> If...
19. He didn't revise all his lessons, so he failed the exam.
--> If...
20. Rita is exhausted today because she didn't sleep last night.
--> If...
Exercise: Kết hợp câu dùng câu điều kiện.
11. If you do not like this one, I'll bring you another.
--> Unless you like this one, I'll bring you another.
12. Martin failed his driving test last week because he was very nervous.
--> If Martin hadn't been very nervous, he wouldn't have failed his driving test last week.
13. He paid me last night. I had enough money to buy a car.
--> If he hadn't paid me last night, I wouldn't have had enough money to buy a car.
14. I stayed up late last night that's why I can't get up early today.
--> If I hadn't stayed up late last night, I could get up early today.
15. If you can't arrive at the office earlier, please turn on the airconditioner.
--> Unless you can arrive at the office earlier, please turn on the airconditioner.
16. He got troubles, so he couldn't go to the airport on time.
--> If he hadn't got troubles, he could have gone to the airport on time.
17. The car breaks down so often because you don't take good care of it.
--> If you took good care of the car, it wouldn't broke down so often.
18. He tells lies to his boss that's why he is fired at once.
--> If he didn't tell lies to his boss, he wouldn't be fired at once.
19. He didn't revise all his lessons, so he failed the exam.
--> If he had revised all his lessons, he wouldn't have failed the exam.
20. Rita is exhausted today because she didn't sleep last night.
--> If Rita had slept last night, she wouldn't be exhausted today.
