I . Rewrite the sentence with '' so '' and '' because ''

1. They could not help you . They were not here

=> They could not help you because They were not here

=> They were not here so They could not help you .

2. I can't go out . It's raining

=> It's raining so I can't go out .

=>I can't go out beacause It's raining

3. We haven't got any food . We are going shopping

=>Because We haven't got any food , We are going shopping

=> We haven't got any food so We are going shopping

4. There was fog . Their flight was delayed

=> Because There was fog , Their flight was delayed

=> There was fog so Their flight was delayed

5. The film was boring . We decided to go home

=> because The film was boring , We decided to go home

=> The film was boring so We decided to go home

6. I couldn't do this exercise . I asked Tom for help

=> I couldn't do this exercise so I asked Tom for help

=> Beacause I couldn't do this exercise, I asked Tom for help

1. They could not help you. They were not here

 They could not help you because they were not here

They were not here so they could not help you

2. I can't go out. It's raining

 It's raining so I can't go out 

I can't go out beacause It's raining

3. We haven't got any food. We are going shopping

Because we haven't got any food, we are going shopping

We haven't got any food so we are going shopping

4. There was fog. Their flight was delayed

Because there was fog, their flight was delayed

There was fog so their flight was delayed

5. The film was boring. We decided to go home

Because The film was boring, we decided to go home

The film was boring so we decided to go home

6. I couldn't do this exercise. I asked Tom for help

I couldn't do this exercise so I asked Tom for help

Beacause I couldn't do this exercise, I asked Tom for help

I. Rewrite the following sentences so that the second sentence means exactly the same as the sentence before it:

1. I like playing soccer and that's why I spend a lot of time on that game.

=>I spend a lot of time playing soccer because I like that game

2.Because the weather was cold, they had to cancel their picnic.

=>they had to cancel their picnic because of the cold weather

3. They studied very hard and that was why thay passed the examination.

=>they passed the examination because they studied very hard

4. They couln't help you because they were not here.

=> they were not here and that's why They couln't help you

5. I can't go out because it is raining.

=> I can't go out because of the rain

6. This book is interesting enough for me to read many times.

=>.This book is so interesting that i read it many times.

7. This car is too old for me to buy.

=>This car is not new enough for me to buy.

8. He is too young to go to school alone.

=>He is not old enough to go to school alone.

9. You must becareful because he is very strict.

=>You must becareful because of his strictness

10. The test was so long that I didn't finish it in an hour.

=>.The test was too long for me to finish in an hour.

1. She_visited__(visit) her grandma lastweekend.

2. Bill__will arrive_(arrive) here in 5days

3. My father never _drinks__(drink) coffee in the evening

4. I__had_(have) a day of yesterday

5. I_knew__(know) how to use the computer 5year ago

6. He can__sing_(sing) and__dance_(dace) allday

7. They ẹnoy_watching__(watch) cartoo

8. I__travel_(travel) to work 5day a week

9. The student_have__(have) a picnic once a school year

10. They_taught__(teach) English 3year ago. Now they_are working__(work) for a bank

11. He promise he___will come_(come) tomorow

12. Student should_revise__(revise) lesson at home

13.we(not/go)__didn't go__ to the show Lan night

14. I_visited__(visit) than 3year ago

15. Lan didn't finish___(not/finish) the repot yerteday.

37. Mai couldn’t meet her pen pals because she missed the flight.
=> Mai missed ... the flight so she couldn’t meet her pen pals 
38. They won’t take children to the zoo.
=> Children wish that ...they would be taken to the zoo
39. The last time he wrote to her was over 2 months ago.
=> He hasn’t ...written to her for over 2 months 
=> They haven’t..
=> It has ...been 2 months since he wrote to her
40. Lan took Maryam to Ben Thanh market yesterday.
=> Maryam ... was taken to Ben Thanh market by Lan yesterday.

1.-> If they had left the house early, they wouldn't have late for the play.
2.->If it stops raining, we will go out.
3.->If you had kept your feet dry, you wouldn't have caught cold.

1. They didn’t leave the house early so they were late for the play.

-> If they ………had left the house early, they wouldn't have been late for the play……………………………………………

2. Unless it stops raining, we won’t go out.

-> If it ……doesn't stops raining, we won't go out…………………………………………….

3. You caught cold because you didn’t keep your feet dry.

-> If you …had kept your feet dry, you wouldn't have caught cold…………………………………………………………..

4. Review the lesson carefully; otherwise you can’t do the test well.

->  Unless you……revise  the lesson carefully, you can’t do the test well.………………………………………………

5. “If you happen to see the man, you may give this book to him.” He said to the girl.

-> He said to the girl ……if she happened to see the man, she might give that book to him………………………………………………

6.  “I wouldn’t have been upset if she had written to me earlier,” the man said.

-> The man said …he wouldn't be upset if she had written  to him earlier…………………………………………………

7.  “The boss would complain if we didn’t report it to him.” David said to his colleagues.

-> David said …the boss would complain if they didn't report to him…………………………………………………

8.  “Mum would be cross if you went on doing like this,” the girl said to her younger brother.

-> The girl said …to her younger brother Mum would be cross if he went on doing like that…………………………………………………

Exercise 4: Supply the correct forms of the verbs in brackets

1. If I had known you were coming, I (ask) _______would have asked_______ him to stay here.

2. He would not have gone home at lunchtime if he (not / be) _______hadn't been______ tired.

3. Yesterday if you (lock) _______had locked______ the door properly, they (not / get) ______woudn't have gotten______ in.

4. If you (study) ______had studied______ for the test last week, you (pass) ______would have passed______ it.

5. Last night, if we (go) ______had gone_____ to the cinema, we (see) ______would have seen______ my friend Jacob.

#Chỉ biết có từng này thui! Thông cảm nha!~~~

Exercise 5: Rewrite the following sentences using conditional sentences.

1. She was away on holiday so she couldn’t come to the party.

=> If she hadn't been away on holiday, she would have come to the party

2. Because you didn’t follow my advice, we got lost.

=> If you had followed my advice, we wouldn't have got lost

3. He couldn’t go abroad because he didn’t have enough money

=> If he had had enough money, he would have gone abroad

. 4. I got up late so I missed the train.

=> If I hadn't got up late, I wouldn't have missed the train

5. I was very busy. I couldn’t help you with your homework.

=> If I hadn't been very busy, I could have helped you with your homework

They used to go to school by bike when they were young

1 There were so many people because the Buffalo-fighting Festival took place in Do Son last Saturday.

2 We won't hold the festival if it costs too much money

3 The Khmer believe they have to float lanterns, otherwise, they may not get good luck

4 I really enjoyed the concert although he music was too loud

5 The huong pagoda festival attracts a lot of vietnamese people. Moreover, it is popular with foreigners

I. Correct the mistake in each of the following sentences:

1) Were not=>Weren't you playing the guitar at 9 p.m every day last year?

2) They didn’t used=>use to buy for their friends but for their parents.

- What? I don’t understand what you mean.

- I mean the things they were using.

3) She used not=>didn't use to have dinner here when she was a little girl.

4) Yesterday that naughty boy was beating=>beated his friend.

5) The teacher was teaching=>taught English in that secondary school last year.

6) What did you do=>were doing doing when I went home yesterday.

7) There didn’t use to have=>be many tall trees in this street 10 years ago.

I. Correct the mistake in each of the following sentences:

1) Were not=>Weren't you playing the guitar at 9 p.m every day last year?

2) They didn’t used=>use to buy for their friends but for their parents.

- What? I don’t understand what you mean.

- I mean the things they were using.

3) She used not=>didn't use to have dinner here when she was a little girl.

4) Yesterday that naughty boy was beating=>beated his friend.

5) The teacher was teaching=>taught English in that secondary school last year.

6) What did you do=>were doing doing when I went home yesterday.

7) There didn’t use to have=>be many tall trees in this street 10 years ago