1.     Last week, all members of the class (have) …………..a cold. They (keep)…………….coughing and sneezing.

2.     Hurry up! We (wait)………… for you. If you are slow, we (miss)………………. the bus

3.  Hoa’s father (be) …………a painter. He (decorate) ……………….his neighbors’ house this morning.

4.     Mr. Tan (not sit) ………….in Dr. Lai’s surgery now. He (leave) ……………..two hours ago.

5.     Last month, her mother (teach) ………………..her how to use a sewing machine. She (make) ………………..a new dress for her sister tonight.

1. Work hard and you will get good marks.

=> If ……………………………………………………………………………….……………

2. Be careful or you will have an accident.

=> If …………………………………………………………………………………………

3. Hurry up or we will miss the last bus.

=> If ………………………………………………………………………………..……….

4. If the weather isn’t beautiful, we will stay at home.

=> Unless …………………………………………………………………………..…………

5. If we don’t start now, we won’t get on time.

=> Unless ……………………………………………………………………………..………

6. If Lan doesn’t get up early, she will miss the train.

=> Unless ……………………………………………………………………………………..

7. If Ba doesn’t study harder, he will fail his next exam.

 => Unless …………………………………………………………………………….………

8. If you don’t promise to return back, I won't lend you.

=> Unless ..............................................................................................................................

CONDITIONAL SENTENCES

1. Hurry up, or we will be late for the bus.

" If we ……………………………………………………………………………………………

2. Study harder, or you won’t pass the final exam.

" If you ……………………………………………………………………………………………

3. Don’t talk in class, or you won’t understand what the teacher is explaining.

" If we ……………………………………………………………………………………………

4. Be careful, or you will break the flower vase.

" If ….……………………………………………………………………………………………

5. Give me the bicycle back, or I will call the police

" I will.……………………………………………………………………………………………

6. I’ll call the police if you don’t give back my bicycle. (Unless = If …. not)

→ Unless …………………………………………………………………………………………

7. Study harder or you will fail in the next exams.

→ If ………………………………………………………………………………………………

8. Hurry up or we’ll be late for the concert.

→ If ………………………………………………………………………………………………

9. We won’t go out unless it stops raining.

→ If ………………………………………………………………………………………………

10. If Joe doesn’t change his way, he will end up in prison.

→ Unless …………………………………………………………………………………………

điều kiện 1

Ex1

1) If you ......... careful, you will have an architect

A. won't                 B.won't be                 C.aren't

2) If we ............ hurry up, we'll miss the train

A.aren't                  B.don't                      C.won't

3) What will we do if John ..........

A.don't come          B.not come               C.doesn't come

4) Won't you .......... late if you leave at eight thirty

A.be                        B.are                        C.been

5) If you make the dinner, I ............the drinks

Ex2. Find a mistake and correct it.

1. Unless I don't study, I will not pass the exams.

2. If the sun shines, we would walk to the town

3. If we will have a temperature, he will see the doctor

4. If my friends come, I will am very happy

5. If she earn a lot of money, she will fly to New York

Ex3.

1) I'll call the teacher if you don't leave me alone

Unless .............................................................

2) When you ask for the car, I will lend it to you

Unless ..............................................................

3) Don't you go out in the rain because you will get wet

Unless ..............................................................

4) Walk faster or you will miss the bus

Unless ..............................................................

5) I won't enjoy the film if you aren't with me

Unless ..............................................................

6) You must leave home early or you will miss the flight

Unless ...............................................................

7) John will pass the driving exam if he isn't nervous

Unless ...................................................................

8) They will go on holiday if they have time

Unless .....................................................................

9) You have to get up early or you will be late for school

Unless ............................................................

10) He will take a taxi if it rains

Unless ..............................................................

1. last week , all members of the class ( have ) ...................... a cold . They (keep ) ....................... coughing and sneezing .

2. Hurry up ! we ( wait ) ..................... for you . If you are slow , we ( mis ) ..................... the bus . 

3.Hoa 's father ( be ) .................... a painter . He ( decorate ) ........................  his neighbor's house this morning 

4. Mr . Tan ( not sit ) ....................... in Dr . lai 's surgery now . He ( leave ) .................... two hours ago . 

5. Last month , her mother ( teach ) ...................... her how to use a sewing machine . She ( make ) .........................a new dress for her sister tonight . 

III.Fill in the gaps

1. If you (not hurry) , you (miss)  the school bus.

2. I (go)  to the cinema if I (finish)  my homework in time.

3. If it (not rain) , the students (play)  sports in the schoolyard.

4. The teacher (be)  pleased if we (do)  our homework.

5. If you (not put)  the gun down, I (call)  the police.

6. He (get)  tired in the next morning if he (go)  to bed late in the previous night.

7. I (lend)  you my camera if you (need)  it.

8. You (not pass)  the course if you (be)  lazy.

9. If we (not protect)  endangered species, they (become)  extinct.

10. If they (send)  the parcel by airmail, it (arrive)  much faster.

11. If my brother (pass)  the interview, he (get)  the job.

6. Hurry up or we will miss the bus.

à If you don’t hurry up ……………………………………………….

7. Viet forgot his raincoat, so he got wet

à Viet got wet ………………………………………………………

8. My brother plays the guitar well.

à My brother is …………………………………………………………..

9. If you don’t start working hard now, ______________________

A. you won’t be able to pass the final exam                B. you will be able to pass the final exam

C. you won’t be able  pass the final exam                   D. you won’t able to pass the final exam

10. What will you do if _________________?

A. you have car                       B. you had a car                      C. you have a car         D. you will have a car