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1, to tidy -> tidying
2, rat -> ratting
3, looked -> looked for
4, since -> when
5, beautifully -> beautifull
6, don't -> didn't
7, /
8,/
9, not -> didn't
10,aways made -> always make và bỏ are.
1. go => will go
2. do => to do
3. such => so
4. can => could
5. read => was reading
6. fastly => fast
7. so => too
8. knew => have known
1. go => will go.
(Câu điều kiện loại 1: If S1 + V1..., S2 + V2... với điều kiện vế trước là Hiện tại đơn, và vế sau là Tương lai đơn, có thể đảo trình tự của câu nhưng phải đảm bào, vế chứa If phải chia ở Hiện tại đơn, và vế còn lại ở Tương lai đơn)
2. do => to do.
(Cấu trúc: It + be + adj + to + Vo + ...)
3. such => so.
(Cấu trúc: S1 + V1 + so + adj/adv + that + S2 + V2... khác với cấu trúc: S1 + V1 + such + (a/an) + adj + N)
4. can => could.
(Câu ước ở Tương lai: S + wish(es) + (that) + S + would/could + Vo + ...)
5. read => was reading.
(Thì Quá khứ tiếp diễn: Diễn tả hành động đang xảy ra trong quá khứ thì hành động khác xen vào, hành động đang xảy ra - Quá khư tiếp diễn, hành động xen vào - Quá khứ đơn: S + V(QKĐ) + ... + while + S + V(QKTD) và When + S + V(QKĐ), S + V(QKTD)...)
6. fastly => fast.
(Trong cách thành lập trạng từ, có 5 quy tắc từ không tuân theo cách thành lập, trong đó có từ fast khi quy về trạng từ thì giữ nguyên không biến đổi)
7. so => too.
(Cấu trúc: S + V + too + adj/adv + (for smb) + to + Vo...)
8. knew => have known.
(Dấu hiệu for a long time của Hiện tại hoàn thành nên động từ ở thì Hiện tại hoàn thành)
In the next five years, people use machines to help them đó housework use⇒will use ⇒chọn B
1.At => bỏ
2.To play => playing
3.Cost => costs
4. In one day => one day
5.marble => marbles
6. As => like
7. Sciencetific => science
8. Coming => to come
9. Less => fewer
10.many => bỏ
A, Tìm lỗi sai và sửa lại:
1. at -> bỏ.
2. to play -> playing.
3. cost -> costs.
4. in one day -> one day.
5. marble -> marbles.
6. as -> like.
7. scientific -> computer science.
8. coming -> to come.
9. less -> fewer.
10. many -> bỏ.
Chúc bạn học tốt! 
Bài 1 : Tìm lỗi sai và sửa lại
1. We didn't wanted -> want to go to the park
2. We no -> don't live in a city
3. When I saw her I thought she looked happily -> happy
4. Did you not -> Didn't you understand what I said to you ?
5. The dress was pink and had little white flowers on it
6. My father bought for -> bỏ for me a nice school bag on occasion
7. When I am ill , my mom look at -> after me all day
rewrite using enough....
1,the blouse is too small for her to wear
...............the blouse is not big enough for her to wear..................................
2,it was too dark for me to see the words
...........it was not bright enough for me to see the words........................................
3,it was too early for me too tell you once more story
........it was not late enough for me to tell you once more story...........................................
4,my mother is too old to do that work
.........my mother is not young enough to do that work..............................................
5,daisy is too short to reach the picture
.............daisy is not tall enough to reach the picture...........................................
6,the little girl was too shy to tell me the story
...........the little girl was not confident enough to tell me the story...............................................
7,the lady was too old to live there by hershelf
..........the lady was not young enough to live there by hershelf.................................................
8,they are too busy to help you
.........they are not free enough to help you...........................................
9,the children are too late to have good seat
.........the children are not early enough to have good seat............................................
10,the film was too boring to attact us
.......the film was not interesting enough to attract us.................................................
rewrite using enough....
1,the blouse is too small for her to wear
.....The blouse is not large enough for her to wear............................
2,it was too dark for me to see the words
......It's not light enough for me to see the words.................
3,it was too early for me too tell you once more story
........It's not late enough for me to tell you once more story.........
4,my mother is too old to do that work
.....My mother is not young enough to do this work..................
5,daisy is too short to reach the picture
......Daisy is not tall enough to reach the picture...................
6,the little girl was too shy to tell me the story
.......the little girl was not confident enough to tell me the story.........
7,the lady was too old to live there by hershelf
.......The lady was not young enough to live there by herself...............
8,they are too busy to help you
...They are not free enough to help you...................
9,the children are too late to have good seat
.....The children are not early enough to have good seat...............
10,the film was too boring to attact us
.........The film was not interesting enough to attact us..............
IV/ Supply the correct tense for the verbs in brackets.
1. He(be)............was...........sick and he (have)......had........ to stay in bed all day yesterday.
2. Mai usually (do).....does........her homework dinner.
3.My mother often (go).....goes..... to the market every morning but she (not go)......didn't go.....there this morning.
4. We (be)....were........ on a trip to Hanoi last month.
5. It (rain)......did it rain........ yesterday?
- No, it didn't.
6. Where (be).......is........ your bother?
-He (read)....is reading..... in his room.
7. She (help)......helped...... me to do this exercise last night.
8. He (buy) ....bought........ his sister an interesting book on her birthday last week.
1. How much does a airmail letter to Canada?
a -> an
2. Take the one street on the left.
one-> first
3. How many change does she receive?
many -> much
4. It take me to Hanoi 3 hours to get by coach.
take -> takes
5. What of kinds evelopes does she need ?
of kinds evelopes-> kinds of envelopes
Good lucky!
it -> x
interestingly-> interesting