6. She can't be employed because she doesn't have a college degree.

--> If she had a college degree, she couldn't be employed.

7. She walked to the meeting. She was late.

--> If she hadn't walked to the meeting, she wouldn't have been late.

8. Unless you promise to retum back, I won't lend you.

--> If you don't promise to return back, I won't lend you.

9. He put off our trip because the weather was terrible.

--> If the weather hadn't been terrible, he wouldn't have put off our trip.

10. Sally doesn't know what she has to do for homework because she was absent from school on Friday.

--> If Sally knew what she has to do for homework, she wouldn't have been absent from school on Friday.

6. She can't be employed because she doesn't have a college degree. 

--> If she had a college degree, she could be employed.

7. She walked to the meeting. She was late.

--> If she hadn't walked to the meeting, she would have been late.

8. Unless you promise to retum back, I won't lend you.

--> If you don't promise to return back, I won't lend you.

9. He put off our trip because the weather was terrible.

--> If the weather hadn't been terrible, he wouldn't have put off our trip.

10. Sally doesn't know what she has to do for homework because she was absent from school on Friday.

--> If Sally hadn't been asbsent from school on Friday, she would known what she has to do for homework.

1  If she had a college degree, she could be employed .
2 if I had enough money i could go on a long holiday this year.
3 If  he weren't slow we would give him such an important task.
4 If didn't have to go to work this Sunday i would join your picnic.

1. I would be surprised if Ann came to see us now.

2. If we had enough money,we would go on holiday

3. Unless you do these exercises more carefully, you will fail the exam.

4. If I knew the answer, I could tell you.

5. If she knew French, she could apply for the job

6. Unless she cam here now, we'd come back home

7. Unless you are careful, you will be able to get the job

8. If it rains soon, the tree won't die

* Rewrite the sentences.

1. It is late now; I don't think Ann will come to see us.

-> I would be surprised if __________Ann came to see us________.

2. We don't go on holiday because we don't have enough money.

-> If _________we had enough money, we would go on holiday_________.

3. Do these exercises more carefully or you will fail the exams.

->Unless_________you do these exercises more carefully, you will fail the exams_________.

4. I do not know the answer so I cannot tell you.

-> If _________I knew the answer, I could tell you_________.

5. She can't apply for the job because she doesn't know Frencj.

-> If she knew__________Frencj, she could apply for the job________.

6. If she didn't come here now, we'd come back home.

-> Unless__________she came here now, we'd come back home________.

7. Be careful or you will not be able to get the job.

-> Unless__________you are careful, you won't be able to get the job________.

8. The trees will die unless it rains soon.

-> If_________it doesn't rain soon, the trees will die_________.

1. She doesn't live in London because she doesn't know anyone there. =>She'd live in London if she knew someone there.
2. I can't live in the country because I can't find a job there.
=> I'd live in the country if I could find a job there.
3. I don't have a spare ticket. I can't take you to the concert.
=> If I had a spare ticket, I could take you to the concert
4. The schoolchildren sowed some seeds, but they forgot to water them so they didn't grow.
=> If the children had watered some seeds, they would have grown
5. They don't understand the problem. They won't find a solution.
=> If they understood the problem, they would find a solution
6. He sits around too much. He isn't fit.
=> If he were fit, he wouldn't sit around too much
7. Carol didn't answer the phone because she was studying.
=> If Carol hadn't been studying, he would have answered the phone.
8. Rita is exhausted today because she didn't get any sleep last night.
=> If Rita had slept last night, she wouldn't be exhausted today (if mix)
9. She's very thin; perhaps that's why she feels cold so much.
=> If she weren't very thin, she wouldn't feel cold so much. (có thể sử dụng wasn't)
10. He never polishes his shoes, so he never looks smart.
=> If he polished his shoes, he would look smart.

Giải thích giúp mình với nhé. 

4 Unless you invite her, she won't go to the party

5 Unless you run, you won't be on time

6 If you don't pay the money, I will call the police

7 Unless you put on your coat, you will get a cold

8 Unless he stops smoking, he will have problems later 

9 If he doesn't know the news, he won't come back

10 Unless you help me, I won't give you that Beyonce'CD

1, He can't go uot because he has to study for his exam.

=> If he doesn't have to study for his exam, he can go out

2, She has lazy so she can't pass the exam.

=> If she has hard, she can pass the exam.

3, he will pay me tonight; I will have enough money to buy a car.

=> If he doesn't pay me tonight; I willnot have enough money to buy a car.

4, He smokes too much; that's why he can't get rid of his cough.

=> If He doesn't smoke too much, he can get rid of his cough.

5, She is very shy, so she doesn't enjoy the party.

=> If she is confident,  she will enjoy the party.

6, I will get work permit. I will stay for another month.

=> If I donot get work permit, I willnot stay for another month.

7, He doesn't take any exercise. He is so unhealthy.

=> If he take any exercise, He will so healthy.

8, We can't get the ket because i don't have money.

=> If I have money,  We can get the ket

9, Study hard or you won't pass the exam.

=> If you don't study hard , you won't pass the exam

10, Don't be impatient or you will make mistakes.

=> If you are impatient ,  will make mistakes.

Bài này ở phần câu điều kiện loại 2 ạ

1, If he didn't have to study for his exam, he could go out

2, If she weren't lazy, she could pass the exam

3, If he didn't smoke too much, he could get fid of his cough

4, If he pay me tonight, i would have enough money to buy a car

5, If she weren't very shy, she would enjoy the party 

6, If i got a work permit, i would stay for another month

7, Câu này mình không biết chuyển thế nào ┐( ´ ～｀)┌            

8, If i had the right change, we could get the ket

9, If you didn't study hard, you would pass the exam 

10, If you weren't impatient, you would make mistakes

Mình làm cho luôn

7  =) If he took some exercises , he would be healthy .