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Ở bài này, ta có 2 cách biến đổi, hãy tham khảo 2 cách sau đây:
Ví dụ:
Cách 1: It is easy to drive the car.
Cách 2: The car is easy to drive.
Chú ý: ở cách 2, ta không cần tân ngữ sau drive nữa, tức không cần it.
1.Using the computer is simple.
___It is easy to use the computer______________________
2.Understanding the handbook isn't difficult
___________It is difficult to understand the handbook___________
3.Learning Spanish is difficult
______It isn't easy to learn Spanish__________________________
4.You can run any kind of software.It is easy.
_______It is easy to run any kind of software_______________
5.Exploring the world of Personal Computer is fascinating.
._____________It is fascinating to explore the world of Personal Computer.____________________________
Write sentences with it and an adjective followed by to-infinitive.
1.Using the computer is simple.
=> It's simple to use the computer.
2.Understanding the handbook isn't difficult
=> It isn't difficult to understand the handbook.
3.Learning Spanish is difficult
=> It's difficult to learn Spanish.
4.You can run any kind of software.It is easy.
=> It''s easy to any kind of software.
5.Exploring the world of Personal Computer is fascinating.
=> It's fascinating to explore the world of Personal Computer.
V. Combine each of the following pairs of sentences adjective + enough + to-infinitive. into one sentence, using (not
1. My sister is old. She can drive a car.
-> My sister is old enough to drive a car.
2. The ladder wasn't very long. It didn't reach the ceiling.
-> The ladder wasn't long enough to reach the ceiling.
3. The fire isn't very hot. It won't boil a kettle.
-> The fire isn't hot enough to boil a kettle.
4. He is strong. He can carry that suitcase.
-> He is strong enough to carry that suitcase.
5. Lan isn't strong. She can't swim across the river.
-> Lan isn't strong enough to swim across the river.
6. She is beautiful and intelligent. She can become Miss World.
-> She is beautiful and intelligent enough to become Miss World.
7. Mr Roberts isn't rich. He can't buy a house.
-> Mr Robert isn't rich enough to buy a house.
8. The worker is very clever. He can make nice things from wood.
-> The worker is clever enough to make nice things from wood.
9. Our team is very good. We win the football matches very often.
-> Our team is good enough to win the football matches very often.
10. The radio isn't small. It can't be put it in your pocket.
-> The radio isn't small enough to be put in your pocket.
V. Combine each of the following pairs of sentences adjective + enough + to-infinitive. into one sentence, using (not
1. My sister is old. She can drive a car.
- My sister is old enough to drive a car
2. The ladder wasn't very long. It di
- The ladder was not long enough to reach the ceiling
3. The fire isn't very hot. It won't boil a kettle.
- The fire is not hot enough to boil..
4. He is strong. He can carry that suitcase.
- He is strong enough to carry the suitcase
5. Lan isn't strong. She can't swim across the river.
- Lan is not strong enough to swim across the river
6. She is beautiful and intelligent. She can become Miss World.
- She is beautiful and intelligent enough to become a Miss World
7. Mr Roberts isn't rich. He can't buy a house.
- Mr Roberts is not rich enough to buy a house
8. The worker is very clever. He can make nice things from wood.
- The worker is clever enough to make nice things from wood
9. Our team is very good. We win the football matches very often.
- Our team is good enough to win the foot ball matches
10. The radio isn't small. It can't be put it in your pocket. dn't reach the ceiling.
The radio isn't small enough to put in your pocket.
Bài 1: From of the verbs: V-ing ; to - infinitive / bare - infinitive
1.Paradon me for (be)__being____late. It is very kind of you (wait)__to wait____for me.
2. My sister is busy (write)___writing___a letter.
3. Please let him (go)__go____with me
4.Don't hurry ! There's no need (run)_running___
5.I chose (go)___to go_____to Stanford University for my undergraduate studies.
6. You must keep (practice )___practicing_____on the computer until you understand how to use all of the programs
Bài 1: From of the verbs: V-ing ; to - infinitive / bare - infinitive
1.Paradon me for (be) be late. It is very kind of you (wait) to wait for me.
2. My sister is busy (write) to write a letter.
3. Please let him (go) go with me
4.Don't hurry ! There's no need (run) to run.
5.I chose (go) going to Stanford University for my undergraduate studies.
6. You must keep (practice ) to practice on the computer until you understand how to use all of the programs
1/ put the verbs in brackets in the correct verb tense:the present perfect or past simple
1.Someone (turn) has turned on the hi-fi.Do you know that song?
2.My mother (do) has done all the cleaning.The apartment is really clean now.3.He (lose) lost his credit card.He can't find it anywhere.
2.messages campuses stores colleges
3.computers have been ......widely all overthe world nowadays.
A.in use B.on use. C.of use . D. with use
4.were those printers......in Viet Nam or in China?
A.produced. B.producing. C.to produce. D. Be producing
5.problem/no/is/idea/I/have/what/the.(sắp xếp)
-> I have no idea what the problem is
6.information/computer/school/all/is/in/the/the/of/our/stored.
-> All the information of our school is stored in the computer
7.computers/students/messages/send/receive/using/can/by/and.
-> Students can send and receive messages by using computers
8.Fill in each blank with the appropriate adjective from the box.
Difficult . bad. Interested . good. Careful . right . useful. Convenient . interesting. Challenging
1/you must be careful when you enter this program.
2/His son is very good at computers
3/That's the right answer to the question.You should follow it.
4/My younger brother is very interested in playing computer games
5/Learning how to use a computer is not difficult
6/It is challenging to work for a foreign company
7/It is bad for your health if you often stay up late.
8/I think computers are very useful
9/I don't think reading the website is more interesting than reading books.
1/ put the verbs in brackets in the correct verb tense:the present perfect or past simple
1.Someone (turn) has turned on the hi-fi.Do you know that song?
2.My mother (do) has done all the cleaning.The apartment is really clean now.
3.He (lose) lost his credit card.He can't find it anywhere.
2.messages campuses stores colleges
3.computers have been ......widely all overthe world nowadays.
A.in use B.on use. C.of use . D. with use
4.were those printers......in Viet Nam or in China?
A.produced. B.producing. C.to produce. D. Be producing
5.problem/no/is/idea/I/have/what/the.(sắp xếp)
-> I have no idea what the problem is
6.information/computer/school/all/is/in/the/the/of/our/stored.
-> All the information of our school is stored in the computer
7.computers/students/messages/send/receive/using/can/by/and.
-> Students can send and receive messages by using computers
8.Fill in each blank with the appropriate adjective from the box.
Difficult . bad. Interested . good. Careful . right . useful. Convenient . interesting. Challenging
1/you must be careful when you enter this program.
2/His son is very good at computers
3/That's the right answer to the question.You should follow it.
4/My younger brother is very interested in playing computer games
5/Learning how to use a computer is not difficult
6/It is challenging to work for a foreign company
7/It is bad for your health if you often stay up late.
8/I think computers are very useful
9/I don't think reading the website is more interesting than reading books.
1. He is tall enough to play volleyball.
2. My sister is old enough to drive a car.
3. The radio isn't small enough to put in your pocket.
4. This coat isn't warm enough for me to wear in winter.
Combine each of the following pairs of sentences in to one sentence.Using (not ) adjective + enough + to- infinitive
1.He is tall .He can play volleyball
-> He is enough to play volleyball
2.My sister is old.She can drive a car
-> my sister is old enough to drive a car
3.The radio isn't small .You can't put it in your pocket.
-> The radio isn't big enough to put in your pocket
4.This coat isn't warm.I don't wear it in winter
-> This coat isn't warm enough to wear it in winter
Chúc bạn học tốt 
1 useful
2 cause
3 sometimes
4 important
5 Another
6 machine
7 may
8 health
Write the sentences with the passive form of the verb.
1.) His car / wash / every week.
=>HIS CAR IS WASHED EVERY WEEK
2.) Computers / use / so often / in schools / today.
=>COMPUTERS ARE USED SO OFTEN IN SCHOOL TODAY
3.) Stamps / sell / the post office.
=>STAMPS ARE SOLD AT THE POST OFFICE
4.) Garbage bins / empty / every day.
=>GARBAGE BINS are emptied every day
5.) Rice / export / to many countries / world.
=>RICE IS EXPORTED TO MANY COUNTRUES IN THE WORLD
6.) Mayny street accidents / cause / bad weather.
=>MANY STREET ACCIDENTS ARE CAUSED BY BAD WEATHER
7.) Butter / cheese / make / from milk.
=>BUTTER AND CHEESE ARE MADE FROM MILK
8.) Classrooms / sweep / students / every day.
=>CLASSROOMS ARE SWEPT BY THE STUDENTS EVERYDAY
9.) Paper / make / from wood.
=>PAPER IS MADE FROM WOOD
10.) Oli / import / from other Asian countries.
=>OLI IS IMPORTED FROM OTHER ASIAN COUNTRIES
Combine each pair of sentences,using the structure ''adjective + a noun clause''.
1. Hung did a good job. He was proud of it
=> Hung was proud of that he did a good job.
2. she is anxious. She can't come to class on time
=> She is anxious that she can't come to class on time.
3. She can go to the dancing club on the weekend. She is happy
=> She is happy that she can go to the dancing club on the weekend.
4. She is quite disappointed. She hasn't finished her test in time
=> She is quite disappointed that she hasn't finished her test in time.
5. Nam is going to pass the final exams easily. His parents are sure about that
=> Nam's parents are sure that he is going to pass the final exam easily.
6. My friends won't visit this city this weekend because of bad weather. I am afraid
=> I am afraid that my friends won't visit this city this weekend because of bad weather.
7. The children were very happy. They got many presents at Christmas
=> The children were very happy that they got many presents at Christmas.
8. The workers haven't finished their work before dark. They are dasappointed
=> They are disappointed that the workers haven't finished their work before dark.
9. The boys are excited. They are playing in the coming game
=> The boys are excited that they are playing in the coming game.
10. Their parents take good care of them. The children are lucky
=> The children are lucky that their parents take good care of them.
Write sentences with it and an adjective followed by to-infinitive.
1.Using the computer is simple.
____________It is simple to use the computer._________________________
2.Understanding the handbook isn't difficult
_____________It isn't difficult to understand the handbook.
___________________
3.Learning Spanish is difficult
__________It is difficult to learn Spanish.______________________
4.You can run any kind of software.It is easy.
______It is easy to run any kinds of software.________________________
5.Exploring the world of Personal Computer is fascinating.
.__________It is fascinating ti explore the world._______________________________