MỘT VÀI CẤU TRÚC BIẾN ĐỔI CÂU HAY
1.It takes sb khoảng thời gian to do sth= sb spend khoảng thời gian doing sth
VD: it took her 3 hours to get to the city centre.= she spent 3 hours getting to the city centre.
S + V + Khoảng thời gian = It + take + (sb) + Khoảng thời gian + to + V
She have learned English for 5 years > It take her 5 year to learn English.
2. Understand = tobe aware of
VD: do you understand the grammar structure?= are you aware of the grammar structure?
3. Like = tobe interested in = enjoy = keen on
VD: she likes politics = she is interested in politics
4.Because + clause = because of + N
VD: he can’t move because his leg was broken= he can’t move because of his broken leg
5. Although/ though/even though + clause = despite + N = in spite of + N
VD: Although she is old, she can compute very fast= Despite / In spite of her old age, she can compute very fast
6.Succeed in doing sth = manage to do sth
VD: we succeeded in digging the Panama cannel= we managed to dig the Panama cannel
7. Cấu trúc : … too + adj (for sb) to do sth : quá để làm gì
VD: My father is too old to drive = My father is such an old man that he can’t drive
= My father is so old that he can’t drive
so + adj + that Clause = it is such a/ an N that: quá đến nỗi mà
VD: She is so beautiful that everybody loves her.= it is such a beautiful girl that everybody loves her.
Adj/ Adv + enough (for sb) to do sth: đủ để làm gì/ enough +N
VD: This car is enough safe for him to drive
VD: The policeman ran quickly enough to catch the robber
S + be + too + adj + (for s.o) + to + V = S + be + so + adj + that + S + can’t + V
-> The water is too hot for Peter to drink.The water is so hot that Peter can't drink
S + V + too + adv + to + V = S + V + so + adv + that + S + can’t + V
S + be + so + adj + that + S + V = S + be + not + adj + enough + to + V
S + be + too + adj + to + V = S + be + not + adj + enough + to + V
S + V + so + adv + that + S + V = It + V + such + (a/an) + N(s) + that + S +V
-> He speaks so softly that we can’t hear anything.He does not speak soft
8.Cấu trúc : prefer sb to do sth = would rather sb Vpast sth: thích, muốn ai làm gì

VD: I’prefer you not to smoke here = I’d rather you didn’t smoke here
I prefer you to learn harder = I’d rather you learned harder
9.Prefer doing sth to doing sth : thích làm gì hơn làm gì
= Would rather do sth than do sth
VD: She prefers staying at home to going out
- She’d rather stay at home than go out
10. Can = be able to = be possible
11. Harly + had +S + Vpp when S + Vpast: ngay sau khi ……thi… …
= No sooner + had +S + Vpp than S + Vpast
VD: As soon as I left the house, he appeared
-Harly had I left the house when he appeared
-No sooner had I left the house than he appeared
12.Not……… any more : không còn nữa
No longer + dạng đảo ngữ
S+ no more+ V
VD: I don’t live in the courtryside anymore
No longer do I live in the coutryside
I no more live in the coutryside
13. At no time + dạng đảo ngữ : không khi nào, chẳng khi nào
VD: I don’t think she loves me
At no time do I think she loves me
14. Tobe not worth doing sth = there is no point in doing sth : không đáng, vô ích làm gì
VD:It’s not worth making him get up early
There is no point in making him getting early
15. It seems that = it appears that = it is likely that =it looks as if/ as though: dường như rằng
VD: It seems that he will come late= it appears that / it is likely he will come late
= he is likely to come late.
=it looks as if he will come late
Các dạng câu thường gặp
16. Not………until …… : không cho tới khi

> Not until ………. Dạng đảo ngữ : không cho tới khi
17. Need to V = be necessary (for sb) to V
VD: you don’t need to send her message
It’s not necessary for you to send her message
18. Although + clause = Despite + Nound/gerund
19. S + be + adj = S + V + O
20. S + be accustomed to + Ving = S + be/get used to +Ving /N
21. S + often + V = S + be used to +Ving /N
-> Nana often cried when she meets with difficulties.
= Nana is used to crying when she meets with difficulties
22. This is the first time + S + have + PII = S+be(past) + not used to + Ving/N
-> This is the first time I have seen so many people crying at the end of the movie.
I was not used to seeing so many people crying at the end of the movie.
23. S + would prefer = S + would rather S + Past subjunctive (lối cầu khẩn)
24. S + like sth/doing sth better than sth/doing sth = S + would rather + V + than + V = S + prefer sth/doing sth
to sth/doing sth
-> I prefer going shoping to playing volleyball.
I would rather go shoping than play volleyball.
26. S + be + Adj = S + find + it (unreal objective) + adj + to + V
e.g: Learning Maths is difficult for me
I find it difficult to learn Maths
27. It’s one’s duty to do sth = S + be + supposed to do sth
It’s your duty to clean the kitchen= You are supposed to clean the kitchen
28. S + be + PII + to + V = S + be + supposed to do sth
29. Imperative verb (mệnh lệnh)= S + should (not) + be + PII
Don’t read this book = This book shouldn’t be read
30. Imperative verb (mệnh lệnh)= S + should (not) + do sth
Don’t open the door = You shouldn’t open the door
31. S + like sth/doing sth = S + be + fond of/ keen on/ interested in + sth/ doing sth
-> I like do collecting stamps = I'm fond of collecting stamps.

32. S + let + O + do sth = S + allow + S.O + to do Sth
-> My boss let him be on leave for wedding.
=My boss allowed him to be on leave for wedding.
33. S + once + past verb = S + would to + do sth.
34. S + present verb (negative) any more = S + would to + do sth.
35. S + V + because + S + V = S + V + to + infinitive
-> She studies hard because she wants to pass the final examination.
She studies hard to pass the final examination.
36. S + V + so that/ in order that+ S + V = S + V + to + infinitive
37. To infinitive or gerund + be + adj = It + be + adj + to + V
->To learn/Learning Maths is hard = It is hard to learn Maths
38. S + V + and + S + V = S + V + both and
39. S + V + not only + but also = S + V + both and
40. S + V + both and = S + V + not only but also
-> He translated fast and correctly.He translated not only fast but also correctly.
41. S1+simple present+and+S2+simple futher =If+S1 + simple present + S2 + simple futher.
42. S1+didn’t + V1 + Because + S2 + didn’t + V2 = If Clause
43. Various facts given = Mệnh đề if thể hiện điều trái ngược thực tế.
44. S1 + V1 + if + S2 + V2(phủ định)= S1 + V1 + Unless + S2 + V2 (khẳng định)
45. S + V + O = S + be + noun + when + adj clause.
46. S + V + O = S + be + noun + where + adj clause.
47. S + V + O = S + be + noun + whom + adj clause.
48. S + V + O = S + be + noun + which + adj clause.
49. S + V + O = S + be + noun + that + adj clause.
50. S + V + if + S + V (phu dinh) = S + V + unless + S + V (khang dinh)
51. S + be + scared of sth = S + be + afraid of + sth
52. Let’s + V = S + suggest + that + S + present subjunctive
53. In my opinion = S + suggest + that + S + present subjunctive (quan điểm của tôi)
54. S + advise = S + suggest + that + S + present subjunctive
55. Why don’t you do sth? = S + suggest + that + S + present subjunctive

56. S + get + sb + to do sth = S + have + sb + do sth
-> She gets him to spend more time with her.She have him spend more time with her.
57. S + aks + sb + to do sth = S + have + sb + do sth
-> Police asked him to identify the other man in the next room
Police have him identify the other man in the next room.
58. S + request + sb + to do sth= S + have + sb + do sth
-> The teacher request students to learn by heart this poem.
The teacher have students laern by heart this poem.
59. S + want + sb + to do sth = S + have + sb + do sth
-> I want her to lend meI have her lend me.
60. S + V + no + N = S + be + N-less
-> She always speaks no care. She is always careless about her words.
61. S + be + adj + that + S + V = S + be + adj + to + V
-> Study is necessary that you will get a good life in the future.
Study is necessary to get a good life in the future.
62. S + be + adj + prep = S + V + adv
Eg: My students are very good at Mathematics > My students study Mathematics well.
63. S + remember + to do Sth = S + don’t forget + to do Sth
-> I remember to have a Maths test tomorrowI don't forget to have a Maths test tomorrow.
64. It + be + adj = What + a + adj + N!
-> It was an interesting film.What an interesting film.
65. S + V + adv = How + adj + S + be
-> She washes clothes quickly
How quick she is to wash clothes.
66. S + be + ing-adj = S + be +ed-adj
The film is boring = I am bored with the film
67. Because + clause = Because of + noun/gerund
Because she is absent her from school > Because of her absence from school….
MỘT VÀI CẤU TRÚC BIẾN ĐỔI CÂU
1. too + adj + (for sb) to do st: quá ………….để cho ai làm gì

e.g: He is too young to join in this club
- He isn’t old enough to join in this club
2. so + adj + that clause: quá………. đến nỗi mà
e.g: The film is so interesting that I can watch it twice
- It is such a good film that I can watch it twice
3. be + such + a/an/x + adj + Noun that +clause quá………… đến nỗi mà
e.g: I have such lovely pictures that I have to look at them everyday
- The pictures are so lovely that I have to look at them everyday
4. be + adj + (for sb) enough to do st: đủ ……… cho ai làm gì
e.g: She isn’t intelligent enough to do that sum
- She is too stupid to do that sum
-She is so stupid that she can’t do that sum
-She is such a stupid person/girl that she can’t do that sum
5. It’s adj (for sb) to do st: làm sao để cho ai làm gì =Doing st +is+ Adj +(for sb)
e.g: It’s quite easy for me to read this book
Reading this book is quite easy for me.
6. It’s | no good |no use | useless / not worth | worthless |+doing st: vô ích khi làm gì
e.g: I shouldn’t tell her the truth
- It’s no good/no use/useless/not worth/worthless telling her the truth
7. It’ s + time (for sb) to do st đã đến lúc ai đó phải làm gì = It’s + time +(that)+ S + V_ed
e.g: It’s time for me to learn harder
- It’s time I learned harder
It’s time for her to do her homework
- It is time she did her homework
8. It (takes/took) sb + time + to do st = Sb (spend/spent) + time (on) + doing st: ai đó mất bao lâu để làm gì
9. Sb (spend) + time + on st ai đó dành bao nhiêu thời gian vào cái gì
10. No sooner + MV(had) + S + V than SVO (past simple) chỉ ngay khi…thì…
- No sooner had Martin sat down than the phone rang
11. need doing st = need to be done cần được làm gì(bd)
need to do st cần phải làm gì(cd)

I need to clean the room = The room need to be cleaned = the room need cleaning
12. It is the first/second…best time + HTHT
13.
S + V (present perfect) … + time
It is + time … + since + S + V
2/ed
Ex: I haven’t seen my father for one month.
It is one month since I last saw my father.
14.
S + have / has not + V
3/ed
It is the first time + S + have / has + V
3/ed
Ex: I haven’t seen that man here before.
It’s the first time I have seen that man here.
15. S + have / has not + V
3/ed
… since (for)
S + last + V (past) … when …
The last time + clause + was …
Ex: I haven’t heard him since August.
The last time I heard him was in August.
I haven’t seen him since I was a student.
I last saw him when I was a student.
16. Belong to: thuoc ve
Who does this bag belong to?= Whose is this bag?
HOMEWORK:
I. Choose the sentence A, B, C or D nearest in meaning to the one in italic.
1. Mr. Brown was last seen in July 1928.
A. Mr. Brown has not been able to see since July 1928. B. No one has seen Mr. Brown since July 1928.

C. Mr. Brown didn’t see anyone in July 1928. D. No one saw Mr. Brown until July 1928.
2. She hasn’t seen her family for years.
A. She didn’t see her family for a long time. B. It’s the last time she saw her family years ago.
C. It’s years ago she has seen her family. D. It’s years since she last saw her family.
3. When did you begin to work here?
A. How long did you work here? B. How long did you begin working here?
C. How long are you working here? D. How long have you been working here?
4. I haven’t seen my aunt for years.
A. I haven’t met my aunt for long ago. B. The last time I met my aunt since years ago.
C. I didn’t see my aunt years ago. D. . I last saw my aunt years ago
5. My career as a teacher began 15 years ago.
A. I have been a teacher for 15 years now. B. I was a teacher for 15 years.
C. For 15 years had I been a teacher. D. I have started teaching for15 years now.
II. Rewrite the sentences:
1. They will change the date of the meeting again.
The date……………………………………………………………………………………………
2. The children liked to walk in the rain.
The children enjoyed………………………………… ……………………… …………………
3.My grandmother is very old. She can’t work now.
My grandmother is too………………………………………………………………………… …
4.The question was so difficult that no one could answer it.
It was such……………………………………………………………………………………………
5.They will hold an international conference in Hanoi next month.
An international conference……………………………………………………………………………
6.He thinks learning English is easy.
He thinks it is……………………………………………………………………………………………
7.Who does this bicycle belong to?
Whose …………………………………………………………………………………………
8.We learned this lesson after a long time
It took ………………………………………………………………………………………

9.It was such a boring film that we left before the end.
The film was ………………………………………………………………………………………
10.I would like you to help me to put the chairs away.
Would you mind………………………………………………………………………………………
11. The water was so cold that the children could not drink it.
The water was not……………………………………………………………………………………
12.Peter is too young to see the horror film.
Peter is not……………………………………………………………………………………
13.Richard smoked cigarettes when he was a young man.
Richard used……………………………………………………………………………………
14.That restautant is so dirty that no one wants to eat there.
It is such……………………………………………………………………………………
15. After fighting the fire for 12 hours, the firemen succeed in putting it out.
The firemen managed……………………………………………………………………………………
16.She can’t have any more children because of her age.
She is too……………………………………………………………………………………
17.I spent an hour doing this exercise.
It took……………………………………………………………………………………

 !"
#$%
&'$()$'(* "
#*$'$()
+,%$*%**- !."
#**-/%,
01*$*$2($' 34"
#1%*$5
6'$($'('%($ 784"
#($'($'
9$*':$*' .;"

#$</*'$*'
=,(''**( ;"
#,(''>*$
?*$(* @"
#(*
AB($ "
#B(C
D'<''$ E38"
#'<''*$(
$F:*($
#*$F$:*$
&7'**:<('<:,
#7**:<(5
+(*'*$G(
#G(*$'$(:'*$
0@'%%$D64
#@'%$%'%$'(D64
6*$2<$*'
#$''(*$2<
9((H
#3((H
=32%
#*G
?<$%*I$
#$%*I$
A;($2$$'(
#;-$($'(
&D($>$J'*
#($$2$>$5
&$$$ I!"

#$$J%
&&8%$$('('(( @!"
#7((%$(
&+*@2*<*<*(' 4"
#*@2*$**('
&03$(<'$'K I4"
#;$$(<'$K
&6$( @I"
#$(
&9(''$ "
#(%''$**
&=$%G+D* "
#*%+D*
&?$$*)F$%%<$ 4@I"
#$$/)F$%*($
&AJL&6:DDD !I.4"
#J'%$L&6:DDD
+D'$*
#'%$*
+('<*$%( "
#*%($**('<*
+&'%:*$ ;"
#''($:*$
++'(*
#3'(:*$2%$$
+0**$(G%*F$$
#;$($%$*F$$
+6$2M'$2J'
#I-$M5
+9$%I($2$

#I($$*$%$'(
+=<%$*
#;$'<:$%*
+?*$'$*(
#'*($J(*
+AN2'$'**O
#2'GN2'$*
0D*$*
#*%$G$*