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1.I have moved to Ho Chi Minh city since 2000
2.She has learnt for four years.
3.They have practised tennis since they were in high school.
4.They have learnt French since 2004.
Viết lại câu:
1. They started eating as soon as the last guests arrived.
--> They waited until the ... last guests had arrived . they started eating. ( had )
2. They haven't come back yet.
--> They ...STILL HAVEN’T COME back ( still )
3. This is the most delicious meal I have ever eaten.
--> I have ..never eaten such a delicious.. meal ( such )
4. She started cooking when he arrived.
--> Until when he arrive did ... she start cooking. ( until )
Viết lại câu:
1. They started eating as soon as the last guests arrived.
--> They waited until the last guestshad arrived they started eating. ( had )
2. They haven't come back yet.
--> They still haven't come back ( still )
3. This is the most delicious meal I have ever eaten.
--> I have never eaten such a delicious meal ( such )
4. She started cooking when he arrived.
--> Until when he arrive did she start cooking she started cooking. ( until )
a) When does Chi have English?
- She has it on Wednesday.
b) When do you have Math?
- I have Math on Friday.
c) When do we have Geography?
- We have it on Monday.
d) When do Nga and Mai have history?
- They have it on Thursday.
a) Chi / English / when? / wednesday
- When does Chi have English ?
- She has it on Wednesday.
b) You / math / when? / Friday
- When do you have Math?
- I have Math on Friday.
c) we / geography / when? / monday
- When do we have Geography?
- We have Geography on Monday.
d) nga and Mai / history / when? / thursday
- When do Nga and Mai have history?
- They have History on Thursday.
Put he erbin the simple future rense
1. He (play)..WILL PALY.............. for national football team next year
2. Tom is very rich he (havel)....WILL TRAVEL................. around the wored
3. Nrs.Lan (meet) .WILL MEET........................ her now frend at 6p.m
4. You (not/have) ...WON'T HAVE..................... any problems
5. Many people (serve) ..WILL SERVE................. you
6. They (take) ..WILL TAKE............. you to the city
7. There (not/be) ..WILL BE........ anything left when the party ends
8. Everything (be) ..WILL BE.............. perfed
9. They (marry)...WILL MARRY........... when they graduate from University
1. we began to learn english 4 years ago->we have been learnt EL since 4 years ago
2.my father started to give up smoking last year->my father has started give up smoking since last year
3. they have worked in that factory since 2001->they started working in that factory in 2001
4.lan hasn't written to maryam for a month ->lan didn't write to maryam last month
5. he has lived in hn since he was 12->he started living in Ha Noi when he was 12
Chúc bạn học tốt 
1. we began to learn english 4 years ago->we have been leant English since 4 years ago
2.my father started to give up smoking last year->my father has started give up smoking since last year
3. they have worked in that factory since 2001->they started to work in that factory in 2001
4.lan hasn't written to maryam for a month ->lan didn't wirte maryam last month
5. he has lived in hn since he was 12->he started living in HN when he was 12
Since the beginning of this century, .....tooth.... decay has greatly increased. The amount .....of...... sugar in our food has also increased Doctors and dentists now know that .......sugar....... is the chief cause the tooth .......decay........ Eskimos's teeth, for example, started to .....decay....... when they began to eat sweet ...........food............. Long ago doctors did not like .......to....... treat people's teeth. Babers and blacksmiths .......looked....... after people's teeth and pulled them .......out...... when they decayed. Some people thought.........toothache....... was a punishment from the gods.
They have started teaching English when they graduated from university.
They have taught English since they graduated from university.