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1) she didn't call me last because she didn't know my phone number.
=> If she had known my phone number,she would have called me last ..
2) they cancelled the trip because it rained heavily.
=> If it hadn't rained heavily,they wouldn't have cancelled the trip
3) I didn't buy a bicycle because I didn't have enough money.
=> I would have bought a bike if I had had enough money
4) you got into so much trouble because you didn't listen to me.
=> Had you listened to me,you wouldn't have got into so much trouble1) she didn't call me last because she didn't know my phone number.
=> If ....she had known my phone number,she would have called me last.......
2) they cancelled the trip because it rained heavily.
=> If .....hadn't rained heavily,they would have cancelled the trip.....
3) I didn't buy a bicycle because I didn't have enough money.
=> I would ...have bought a bicycle if I had had enough money.....4) you got into so much trouble because you didn't listen to me.
=> Had ...you listened to me,you wouldn't have got into so much trouble.....
1. They didn't like ice-cream when they ate so much and was sick.
2.3 yrs has passed since I (last) saw her.
they came to the concert late, so they didn't have good seats
=> If they had come to the concert soon, they would have had good seats.
Because quang was interested in the flim, he didn't study his lesson
-> If Quang hadn't been interested in the film, he would have studied his lesson.
The car break dowwn so often because uou don't take good care of it
-> If you took good care of the car, it wouldn't break down so often.
He didn't revise all his lessons.He failed the exam
-> If he had revised all his lessons, he wouldn't have failed the exam.
I didn't have an umbrella with me so i got wet
-> If I had had an umbrella with me, I wouldn't have got wet.
dick is in prison because a detective recognized him
-> If the detective hadn't recognized him, he wouldn't be in prison.
i don't have an mone, so i can't lend ou an
-> If I had money, I could lend you some.
i didn't have the money, so i didn't buy a new shirt
-> If I had had the money, I would have bought a new shirt.
make conditinal sentences
1. she got married at such an early age' so she isn't at university now
if she hadn't got married at such an early age , she would have been at university now
2. she works in the evening , she has no time to play with her children
if she didn't work in the evening , she would have time to play with her children
3. as she is often absent from class, she can't keep pace with her classmate
if she wasn't often absent from class, she could keep pace with her classmate
4. it's very cold' so we can't go swimming
if it wasn't cold, we could go swimming
5. you drink too much coffee ' that's why can't sleep
if i didn't drink too much coffee I could sleep
6. we don't have a big house. we can't invite friends to stay
if we had a big house. we could invite friends to stay
7. the flats are not clearly numbered, so it is very difficult to find anyone
if the flats were clearly numbered, it wouldn't be very difficult to find anyone
8. i couldn't write to Alice because i didn't know her address
if I had known alice's address, I would have written to her
9. we got lost because we didn't have a map
if we had had a map, we wouldn't have got lost
10. the farmers didn't have enough rain , so they could not grow rice
if the farmer had had enough rain , they would have grown rice
1. Apple Computers ---- the share of the market held by Microsoft in the late 1990s but unfortunately they didn't have a clear business plan to more ambitiously pursue their business goals.
could capture
needn't have captured
should capture
might have captured
might capture
2. Many immigrants now agree that they ---- their traditions when they first settled in America.
shouldn't have given up
don't have to give up
may not have given up
might not give up
needn't give up
3. Although working conditions ---- in many occupations in the past few years, one can never be safe, particularly in places with higher risk occupations.
might improve
can't have improved
may have improved
could improve
needn't have improved
4. A good supervisor ---- with people who attempt too much than with those who try too little because hard-working staff contributes much to all aspects of work.
shouldn't work
would rather work
had better not work
is not able to work
can't work
5. If you want to get a good night's sleep, you ---- any tea or coffee in the evenings.
would rather drink
don't have to drink
mustn't drink
were able to drink
could drink
6. Road conditions ---- much in the last fifteen years, since the government hasn't invested anything to renew the roads.
must have improved
needn't have improved
didn't need to improve
ought to have improved
can't have improved
7. A new report suggests that a vaccine that offers at least partial protection against HIV ---- available in the near future.
had to be
could be
used to be
might have been
would rather be
8. He ---- technical support when his computer broke down because he doesn't know much about computers.
must have had
needn't have had
can't have had
didn't have to have
shouldn't have had
9. The new steam powered and mechanized farm equipment .... the work easier but they couldn't get it to work.
was able to make
can't have made
didn't have to make
might have made
had better make
10. If you plan to take a long trip in the car, you must get a full tank of gas or you ---- out of gas.
have to run
should have run
had better run
might run
are used to running
They were tired because they didn't stop during the journey.
They were tired because they didn't stop during the journey.
They didn't earn much because they didn't have good qualities.
=> If they had had good qualities, they would have earned much
They didn't earn much because they didn't have good qualities.
=> they didn't have good qualities so they didn't earn much.
=>If they had had good qualities,they would have earned much