Lý thuyết và bài tập chuyển đổi câu dạng so sánh và câu điều kiện trong tiếng Anh

DẠNG SO SÁNH
CHUYỂN ĐỔI CÂU
PHẦN TỰ LUẬN
Dạng chuyển đổi Cấu trúc câu Ví dụ
1. S1 + Be + __ er / more _ than S2 S2 + Be + not as + adj / adv + as S1 * Tom is taller than me.
→ I am not as tall as Tom.
2. S1 Be adj(v) , but S2 Be very + adj / adv
3. S1 + Be + not as + adj / adv + as S2
S2 + Be + __ er / more _ than S1 * They are poor, but he is very poor.
→ He is poorer than them.
4. S1 + V + __ er / more _ than S2 + V S2 + don’t + Vo + as adj / adv as + S1
 doesn’t
 didn’t 
* He runs more slowly than her.
→ She doesn’t run as slowly as him.
5. S1 + don’t + Vo + as adj / adv as + S2
 doesn’t
 didn’t 
6. S1 + V + adj. S2 + V + _ er / more _ ,too
S2 + V + __ er / more _ than S1 * I don’t work as hard as Mary.
→ Mary works harder than me.
* I feel happy. Tom feels happier, 
too.
→ Tom feels happier than me.
7. S + have never V3ed + a(n), the adj noun
 has
It’s the ___ est / the most ___+ noun 
that S + have / has ever V3ed .
* I have never seen a small snail.
→ It’s the smallest snail that I have 
ever seen.
8. Noone + be + as + adj / adv + as + S
 Nobody
 Nothing
S + be + the __ est / the most ___+ 
noun 
* No one in the party is as beautiful 
as Mary.
→ Mary is the most beautiful girl in 
the party.
 Exercise 1: Rewrite the statements by using the comparison forms:
1. Tom is richer than you. 
......................................................................................................................................................................
2. Hoa was more helpful than her father.
......................................................................................................................................................................
3. I am harder than her
.......................................................................................................................................................................
4. They were more intelligent than him.
.......................................................................................................................................................................
5. Helen is pretty, but her sister is very pretty.
.......................................................................................................................................................................
6. We are not as smart as Peter.
........................................................................................................................................................................
7. I was not as tired as my grandma.
......................................................................................................................................................................
8. We were handsome, but that man was very handsome.
........................................................................................................................................................................
9. I work faster than you.
.........................................................................................................................................................................
10. They drove more careful than him.
......................................................................................................................................................................
11. She feels more comfortable than you.
........................................................................................................................................................................
12. He practised aerobics happier than her.
......................................................................................................................................................................
13. Jimmy doesn’t speak as loudly as Timmy.
.......................................................................................................................................................................
14. Helen can’t swim as quickly as me.
......................................................................................................................................................................
1
15. They don’t walk as slowly as me.
......................................................................................................................................................................
16. I didn’t go as far as you.
......................................................................................................................................................................
17. Hoa is hungry. I am hungrier, too.
......................................................................................................................................................................
18. My mother is strong. My father is stronger, too.
......................................................................................................................................................................
19. She was generous. He was more generous, too.
.......................................................................................................................................................................
20. They were old. You were older, too.
......................................................................................................................................................................
21. I have never loved the beautiful girl.
.......................................................................................................................................................................
22. She has never done a difficult thing.
.....................................................................................................................................................................
23. They have never read an exciting book.
......................................................................................................................................................................
24. Mary has never seen the big sworm.
......................................................................................................................................................................
25. Nothing in this room was as big as the bed.
......................................................................................................................................................................
26. Nobody in the street was as elegent as Miss World.
.......................................................................................................................................................................
27. Noone in the party is as important as Mr. John.
......................................................................................................................................................................
28. Nothing on the table is as thick as that book.
.......................................................................................................................................................................
29. Nobody in the house was as quiet as your sister.
.......................................................................................................................................................................
30. Nothing on the table is as long as this knife.
.......................................................................................................................................................................
PHẦN TỰ LUẬN
TỔNG HỢP (TT)
Exercise 2: Rewrite the statements without changing their meanings:
1. Because I was sick, I visited a doctor.
..........................................................................................................................................................................
2. The boy is sleeping in the bed. He is helpful.
..........................................................................................................................................................................
3. I didn’t lock the door until ten o’clock last night.
..........................................................................................................................................................................
4. They take the bufalloes to the field in the early morning.
..........................................................................................................................................................................
5. We phone you because we want to ask something.
..........................................................................................................................................................................
6. He received a postcard. It was come from England.
..........................................................................................................................................................................
7. Helen doesn’t do homework until she is free.
..........................................................................................................................................................................
2
8. You are talking to a young man in the street now.
..........................................................................................................................................................................
9. Mary gets a scholarship, so Mary feels happy.
..........................................................................................................................................................................
10. Mr. Tam was on vacation. Everyone loves his behaviour.
..........................................................................................................................................................................
11. I don’t know how to write a letter until I study in grade 1.
..........................................................................................................................................................................
12. Tom invited me to the party yesterday.
..........................................................................................................................................................................
13. Because they didn’t study hard, they didn’t pass the entrance exam.
..........................................................................................................................................................................
14. Your cat is lovely. I like caressing it.
..........................................................................................................................................................................
15. They weren’t born in the earth until June 2005.
..........................................................................................................................................................................
16. She was helping a young boy stand up at 4 pm yesterday.
..........................................................................................................................................................................
17. The man sits down on the bench because the man gets dizzy.
..........................................................................................................................................................................
18. They have a big house. There are five people living in it.
..........................................................................................................................................................................
19. She isn’t on the bus until she catches the bus to school.
..........................................................................................................................................................................
20. The boy kicks the ball over the windows.
..........................................................................................................................................................................
21. You don’t know me, so I am not your friend.
..........................................................................................................................................................................
22. The singer is performing the song. The audiences offer her a lot of flowers.
..........................................................................................................................................................................
23. She didn’t forget the wallet until you shouted her.
..........................................................................................................................................................................
24. Martin is dividing the cake into ten parts now.
..........................................................................................................................................................................
25. Because he doesn’t have breakfast, he feels hungry.
.........................................................................................................................................................................
26. The old woman crossed the street. She was injured in the accident last year. 
........................................................................................................................................................................
27. He wasn’t invited to the wedding until he had a card from you.
..........................................................................................................................................................................
28. Her son gathered a lot of small rocks to build a valley.
..........................................................................................................................................................................
29. Because she wasn’t at home yesterday, so you couldn’t see her.
..........................................................................................................................................................................
30. I made a cake. My mother helped me do it.
..........................................................................................................................................................................
31. Tom didn’t choose a career until Tom graduated high school.
..........................................................................................................................................................................
32. The girl prepared a delicious meal for dinner last weekend.
..........................................................................................................................................................................
3
Exercise 3: Rewrite the statements by using the conditional sentences type 02 or type 03:
1. We don’t know you, so we go away.
 ...................................................................................................................................................................
2. He threw waste, so he got a fine.
 ..................................................................................................................................................................
3. She doesn’t finish the test because she is absent.
 ..................................................................................................................................................................
4. They weren’t on the bus because they had carsick.
  ...............................................................................................................................................................
5. Because I am tired, I can’t go on the trip.
 ..................................................................................................................................................................
6. My father doesn’t tell the truth, so noone loves him.
 ..................................................................................................................................................................
7. Everyone dislikes you because you behave badly. 
 ..................................................................................................................................................................
8. The man couldn’t walk because his leg was injured.
  ...............................................................................................................................................................
9. They read newspaper, so they saw you on it. 
 ..................................................................................................................................................................
10. The girl slept well, so she felt better. 
 ..................................................................................................................................................................
11. She didn’t have a cold, so she couldn’t visit a doctor. 
 ..................................................................................................................................................................
12. Mary gets an award, so she feels proud of herself.
 ..................................................................................................................................................................
13. I don’t like vegetables, so I can’t enjoy it.
 ..................................................................................................................................................................
14. Because everyone is injured in the accident, they stay in the hospital.
 ..................................................................................................................................................................
15. Because the weather wasn’t warm, Tom didn’t go swimming. 
  ....................................................................................................................................................................
16. Because the woman helps me, I thanks her.
  ...............................................................................................................................................................
17. Because your father sang well, everyone admired him.
 ..................................................................................................................................................................
18. People can’t visit Dam Sen because it is closed.
 ..................................................................................................................................................................
19. Daisy worked hard, so she earned a lot of money.
  .............................................................................................................................................................
20. They have breakfast, so he doesn’t feel hungry.
  ............................................................................................................................................................
21. James was away because the policemen looked for him.
 ..............................................................................................................................................................
22. Because we weren’t thirsty, we didn’t drink water.
 ..................................