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I haven't seen him for months
=> I last saw him months ago
I haven't beem to a concert for over a year
=> The last time I was to a concert was over a year ago
The last time I really enjoyed myself was you birthday party
=> I haven't enjoyed myself since your birthday party
It's nearly 20 years since my father saw his brother
=> My father hasn't seen his brother for nearly 20 years
When did you learn to driver?
=> How long have you learnt to driver?
you have tidied this room for week?
=> I't weeks since you last tidied this room
we starrted looking for a flat 2 months ago and we are still looking?
=> We have looked for a flat for 2 months and we are still looking
This is the first time I've been to a night club?
=> I haven't been to a night club before
They have never hear such a thing before?
=> This is the first time They have heard such a thing
1.viết lại các câu sau theo chỉ dẫn, không làm thây đổi ý nghĩa
1.It's not as warm in Canada as it is in Mexico.
- Mexico.............is warmer than Canada.......................
2. I' ve neer seen that play before
- It' s...........the first time I have seen that play.................
3.Nam is the most intelligent student in my class
- Nobody............in my class is more intelligent than Nam...................
5. We have know each other for two years
- It's.......... two years since we last knew each other..............
6.Don't leave those boys alone
- Those boys..............aren't left alone..............
7. A man I know told me about it
- I was.........???................
8. TC company has promised my son a good iob
- My son.............has been promised a good job by TC company...................
1.Mexico is warmer than Canada.
2. It' s the first time I have seen that play.
3.Nobody in my class is more intelligent than Nam.
5. - It's two years since we last knew each other.
6 Those boys aren't left alone
8. My son has been promised a good job by TC company.
1, At recess we all talking best
=> Talking is the most common activity at our recess.
2, It's a good thing to do community service
=> You should do community service.
3, Lam has ten day - off for this summer vacation
=> Lam has a ten- day off summer vacation.
4, We have two - month summer vacation
=> Our summer vacation lasts two months.
5, We have a break that lasts thirty minutes
=> We have a thirty- minute break.
6, We will have a holiday that lasts three months
=> We will have a three- month holiday.
Chúc em học tốt!!!
1, At recess, we all talking best
=> Talking is the most interesting activity.
2, It's a good thing to do community service
=> You should do community service.
3, Lam has ten days - off for this summer vacation
=> Lam has a ten-day summer vacation.
4, We have two - month summer vacation
=> Our summer vacation lasts 2 month.
5, We have a break that lasts thirty minutes
=> We have a thirty- minute break.
6, We will have a holiday that lasts three months
=> We will have a
1. Could you turn the radio down,please ?
=> Woul you mind turning the radio down, please?
2. Shall we practise playing football ?
=> What about practising playing foodball?
3. It's not a good idea to traval during the rush-hour.
=> It's better to avoid traveling during the rush-hour
4. He listen to rock music . He is very fond of it .
=> He is very fond of rock music.
5. Don't you remember you lent me money last month ?
=> I can't remember that I lent you money last month.
6. Paul doesn't like talking to them .
=> Paul hates talking to them.
7. I would like you to help me to do some difficult exercises.
=> Do you mind helping me to do some difficult exercises?
8. Why don't we watch TV for a change ?
=> I suggest watching TV for a change.
9. He wrote the letters in two hours.
=> He spent two hours writing a letters.
10. We find it necessary to learn English.
=> Learning English is necessary.
Ko chắc lắm 
1. Could you turn the radio down,please ?
=> Woul you mind turning the radio down, please?
2. Shall we practise playing football ?
=> What about practising playing football?
3. It's not a good idea to traval during the rush-hour.
=> It's better to avoid traveling during the rush-hour.
4. He listen to rock music . He is very fond of it .
=> He is very fond of listening to rock music.
5. Don't you remember you lent me money last month ?
=> I can't remember if I lent you money last month.
6. Paul doesn't like talking to them .
=> Paul hates talking to them.
7. I would like you to help me to do some difficult exercises.
=> Do you mind helping me to do some difficult exercises?
8. Why don't we watch TV for a change ?
=> I suggest watching TV for a change.
9. He wrote the letters in two hours.
=> He spent 2 hours writing the letters.
10. We find it necessary to learn English.
=> Learning English is necessary.
Ex 1: Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it.
1, It is essential that you do your homework before going to school.
=> You must ..............do your homework before going to school.............
2, It is necessary for us to be present at the class discussion on Saturday.
=> We must .................be present at the class discussion on Saturday............
3, Ha Noi is large, Bangkok is large ang Tokyo is the largest.
=> Tokyo is ..............the largest of the tree cities.................
4, It is wrong of us to throw rubbush.
=> We mustn't ..............throw rubbish................
5, How many apples doea she want?
=> How many apples would .......she like................?
6, Learning how to use a computer is very easy.
=> It is .............easy to learn how to use a computer................
7, He drives very carefully.
=> He is ..........a careful driver...............
8, Student at our school take part in a lot of outdoor activities.
=> Students at our school do .........a lot of outdoor activities...........
9, I find it difficult to find a better solution to that problem.
=> I have ..................a difficulty in finding a better solution to that problem...............
10, Lan is the oldest of the three sisters.
=> Lan has .............two younger sisters.............
Ex 1: Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it.
1, It is essential that you do your homework before going to school.
=> You must ..............do your homework before going to school.............
2, It is necessary for us to be present at the class discussion on Saturday.
=> We must .................be present at the class discussion on Saturday............
3, Ha Noi is large, Bangkok is large ang Tokyo is the largest.
=> Tokyo is ..............the largest of the tree cities.................
4, It is wrong of us to throw rubbush.
=> We mustn't ..............throw rubbish................
5, How many apples doea she want?
=> How many apples would .......she like................?
6, Learning how to use a computer is very easy.
=> It is .............easy to learn how to use a computer................
7, He drives very carefully.
=> He is ..........a careful driver...............
8, Student at our school take part in a lot of outdoor activities.
=> Students at our school do .........a lot of outdoor activities...........
9, I find it difficult to find a better solution to that problem.
=> I have ..................a difficulty in finding a better solution to that problem...............
10, Lan is the oldest of the three sisters.
=> Lan has .............two younger sisters.............
1. It is a two-hour meeting.
2. How old is your son?
3. What's your address?
4. How deep is the Pacific Ocean?
5. I will cook dinner for you tonight. (câu này mình không chắc chắn lắm)
6. Don't forget to wake me up at 6.30 tomorrow morning.
7. What is the thickness of that novel?
Chúc bạn học tốt nhé ~
1. This is the first time they have heard such a thing
2. This is the first time one has challenged his authority.
3. It is 2 years since she left university
They have never heard such a thing before. => This is the firt time they have heard such a thing
Noone has challeged his authority before. => This is the first time one has challenged his authority
She left university 2 years ago =>It is 2 years since she left university
5. If we try to save our resources of energy, it won't soon end.
6. What is your brother weight?
1.It's very good for you to do exercises every morning
2.
3.This is the first time I have played that play
.4.How tall is that building( ko chắc )