If he doesn't hurry, he will miss the show.

Đáp án: B

1. If we miss the bus,we will take the taxi

Unless we  miss the bus,we will not take the taxi

2.I will give you a lift if you don't have a bicycle

Unless you have a bicycle, I will give you a lift 

3.Unless he wins the money,he won't have enough money to pay his bills

If he doesn't win the money,he won't have enough money to pay his bills

1.Work hard and you will pass the Entrance examination 10

            If……you work hard, you will pass the Entrance examination 10………

                  2.Hurry up or you will not catch the first bus

            If …you don't hurry up, you will not catch the first bus………

  3.Recycle and we will save natural resources

            If …we recycle, we will save natural resources……

                   4. You should call the tourist agency. They will explain to you more clearly

            If …you call the tourist agency, they will explain to you more clearly ……

                   5. Unless she feels better, she won’t go to school tomorrow

             If …she feels better, she will go to school tomorrow………

                    6.If you don’t rest, you really will be ill

             Unless……you rest, you really will be ill……

                    7.Start at once or you will be late for school.

             If …you don't start at once, you will be late for school……………

8.I may have free time tomorrow. I’ll go out with you.

               If ……I have free time tomorrow, I’ll go out with you.…………

9.Be calm and everything will be all right.

               If …you are calm, everything will be all right…

10.Students don’t litter and our school yard is clean.

               If ……students don't litter, our school yard will be clean…………

1. Unless you go away, I ưill call the police.

2. I won't let you go unless you give me my money back.

1. Unless you go away, I will call the police.

2. I won't let you go unless you give me my money back.

3. Unless it rains, we will play football.

4. He won't be late for school unless he gets up late.

5.He can't pass the exam easily unless he works harder.

6. You can't travel abroad unless you have got a passport.

7. They won't catch the bus unless they leave immediately.

8. Unless he goes to a Chinese restaurant, he will never taste a Peking Duck.

9. Unless the weather is good, all the school will be closed.

10. Unless she answers my question, I won't go anywhere.

REWRITE THE FOLLOWING SENTENCES USING IF-> UNLESS
TYPE1
1. If he doesn't hurry, he will be late for school
-> unless he hurry, he will be late for school
2. unless it stops raining, we won't go out
-> if it doesn't stop raining, we won't go out
3. you will get success if you are patient
- unless you aren't patient,you will get success
4. those flowers will die if nobody waters them
- unless nobody doesn't water them,those flowers will die
5. no one can help him if he doesn't tell the truth
- unless he tell the truth,no one can help him
6. you will catch a cold unless you keep your feet dry
- if you don't keep your feet dry,you won't catch a cold
7. if i don't catch the plane, i will not be home by five
- unless i catch the plane, i will not be home by five
8. if you don't apologize, i will never speak to you again
-unless you apologize, i will never speak to you again
9. unless he gives me his number, i won't phone him
- if he doesn't give me his number, i won't phone him
10. he cannot do that exercise if he doesn't learn his lessons carefully
-unless he learn his lessons carefully,he can do that exercise

TYPE 2
1. unless the studied harder, he would fail the final exam
- if the didn't study harder, he would fail the final exam
2. unless the drank alcohol, he would pass the contest
- if the didn't drink alcohol, he would pass the contest
3. unless he phoned immediately, he wouldn't meet Mary
-if he didn't phone immediately, he wouldn't meet Mary
4/ if we didn't have a calculator, we couldn't work his more quickly
-unless we didn't have a calculator, we couldn't work his more quickly
5. if i weren't weak, i could walk
- unless i were weak, i could walk
6. if you weren't slow now, you could uiwn the race
- unless you were slow now, you could uiwn the race
7. if you didn't speak very quickly, the students could hear you well
- unless you spoke very quickly, the students could hear you well
8. if tom didn't invite me, i wouldn't go to the party
- unless tom invited me, i wouldn't go to the party
9. if they didn;t know his number now, they wouldn't give it to me
- unless they knew his number now, they wouldn't give it to me
10. unless he were careful, he would have serious accident
- if he weren't careful, he would have serious accident

TYPE3
1. if he hadn;t been too lazy, he wouldn't have failed the exam
- unless he had been too lazy, he wouldn't have failed the exam
2. unless yesterday had been a nice day, we wouldn;t have gone camping
-if yesterday hadn't been a nice day, we wouldn;t have gone camping
3. if you hadn't driven carefully, you would have had a serious accident
- unless you had driven carefully, you would have had a serious accident
4. if the bus hadn't been crowded, he wouldn't have walked to the office
-unless the bus had been crowded, he wouldn't have walked to the office
5. unless you had studied hard, you wouldn't have walked to the office
- if you hadn't studied hard, you wouldn't have walked to the office
6. unless you had helped me, i wouldn't have finished our homework
- if you hadn't helped me, i wouldn't have finished our homework
7. unless the meeting were so long they wouldn't feel tired
- if the meeting weren't so long they wouldn't feel tired
8. if he weren't too lazy, he would pass the exam
- unless he were too lazy, he would pass the exam

he tells the truth, no one can help him.

you don't  keep your feet dry, you will catch a cold.

he didn't  phone immediately, he wouldn't meet Mary.

unless he  doesn't tell the truth , no one can help him

if you don't  keep your feet dry, you will catch a cold.

if he didn't  phone immediately, he wouldn't meet Mary.

If he doesn't hurry up, he will miss the bus

Conditional sentence type 1: If+S+V(hiện tại đơn), S+will V

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