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It isn't nesscary for you to go to school so early.
- You don't need to go to school so early. Hiện tại đơn
when did you start to learn english
- how long have you learnt English? Hiện tại hoàn thành
- How long has she worked for an ABC bank?
- when did she start working for an ABC bank? - Qúa khứ đơn
when did you first know that teacher?
- how long have you known that teacher? - HTHT
she started to play the guitar two months ago?
- she has played the guitar for two months. - HTHT
1)when did they stated to play soccer
-how long ago did they start to play soccer?
-how long has they started to play soccer?
2)When did Mr Brown move to New York
-how long ago did Mr Brown move to New York?
-how long has Mr Brown moved to New York?
3)We began to study French when we lived in paris
-how long ago did we begin to study French when we lived in paris?
-how long has we begun to study French when we lived in paris?
4)My father bought this picture three years ago
-how long ago did your father buy this picture three years ago?
-how long has your father bought this picture for three years?
5)The last time we stayed in Da Lat was in June
-how long ago did we stay in Da Lat in June?
-how long has we stayed in Da Lat since June?
6)We enjoy collecting stamps
-how long ago did we enjoy collecting stamps?
-how long has we enjoyed collecting stamps?
7)She likes traveling all over the country
-how long ago did she like traveling all over the country?
-how long has she liked traveling all over the country?
8)Liz bought a gift for Ba
-how long ago did Liz buy a gift for Ba?
-how long has Ba bought a gift for Ba?
9)They wil produce five million bottles of champagnes
-how long ago did they produce five million bottles of champagnes?
-how long has they produced five million bottles of champagnes?
10)They buy jeans all over the word
-how long ago did they buy jeans all over the world?
-how long has they bought jeans all over the world?
1. Mrs An didn' t drink coffee when she was young but she s it now.
-Mrs An didn' t use to drink coffee when she was young.
2. I got up late last year, but now i get up early.
- I used to get up late last year.
3. Two years ago, my brother often played chess very well but now he doesn't .
- My brother used to play chess very well two years ago.
4. My father usually played soccer, but now he doesn' t any more .
- My father used play soccer.
5. When did you begin to study English?
- How long have you studied English?
6. How long have you studied medicine ?
- When did you begin to studied medicine?
7. When did you start to learn English?
- How long have you learnt English?
8. The last time we ate this kind of food was in January.
- We haven't eaten this kind of food since January.
9. Hoa has written to me since she moved to London.
- Hoa started to write to me since she moved to London.
~~Good luck~~
\(\left(1-\frac{1}{2}\right)\left(1-\frac{1}{3}\right)\left(1-\frac{1}{4}\right)...\left(1-\frac{1}{2012}\right)\)
\(=\frac{1}{2}.\frac{2}{3}.\frac{3}{4}.\frac{4}{5}...\frac{2010}{2011}.\frac{2011}{2012}\)
\(=\frac{1.2.3.4...2010.2011}{2.3.4.5...2011.2012}\)
=\(=\frac{1}{2012}\)
1) he started his career as a teacher 20 years ago
= he has worked as a teacher for 20 years
2) Is this your first visit to our country?
= Havenot you visited to our country before?
3) when did you start to wait for the bus?
= How long have you waited for the bus?
4) when did you move to this house?
=How long have you moved to this house?
Cách chuyển đổi câu giữa thì hiện tại hoàn thành và thì quá khứ đơn (lớp 6)
1,It is two months since we last was?
2,How long ago did you start/begin to write this book?
3,When did you start/begin learning how to drive a car?
4,When did Mr.Ba start/begin buying this flat?
5,It is the first time I have ever talked to headmaster
6,When did she start/begin writing an e-mail?
7,I've never worst film before
8,Is this me go to school late?
9,It is five months since he hasn't come back to his home village
10,The last time I have ever spoken to her
ks nhé!Học tốt!:))
1. We haven't been to this restaurant for two months.
=> It is two months since I last was to this restaurant.
2. When did you begin to write this book?
=> How long have you written this book?
3. How long have you learnt how to drive a car?
=> When did you start to learn how to drive a car?
4. How long is it since Mr Ba bought this flat?
=> When did Mr Ba start to buy this flat?
5. I've never talked to the headmaster before.
=> It's the first time I have ever talked to the headmaster.
6. How long is it since she wrote an e-mail?
=> When did she start to write an e-mail?
7. That's the worst film I've ever seen.
=>I've never seen such an bad film before.
8. Have you gone to school late before?
=> Is this the first time you have gone to school late?
9. He last came back to his home village five months ago.
=> It's five months since he last came back to his home village.
10. It's three years since I last spoke to her.
=>The last time I spoke to her is three years ago.
1. For over fifteen years.
2. One of her old university professors lent her his yacht.
3. She surfs, does yoga and writes her blog.
4. She has adverts on her blog.
5. Because she wants some adventure.
1: Liz Clark has been travelling for over fifteen years.
2: Liz got her yacht when one of her old professors offered to lend her his yacht for as long as she wanted it.
3: When she stops somewhere, she surfs, does yoga and writes her blog.
4: Adverts on Liz's blog have been paying for her trip.
5: Because Liz inspired Rachel to live her dream.
How long has she come to America
how long has she been in america?