1.Tom began playing the piano 4 years ago.
=> Tom has been playing the piano for 4 years.
2. I started cooking for the buổi tiệc nhỏ 4 hours ago.
=> I have been cooking for the buổi tiệc nhỏ for 4 hours.
3. She started working as a secretary 2 years ago.
=> She has been working as a secretary for 2 years.
4. My father is reading a newspaper. He started 2 hours ago.
=> My father has been reading a newspaper for 2 hours.
5.My sister began lớn study English a year ago.
=> My sister has been studying English for 1 year.
6.Scientists began lớn fight against AIDS in 1980.
=> Scientists have been fighting against AIDS since 1980.
7.The Browns have been living in London for trăng tròn years.
=> The Browns began lớn living in London trăng tròn years ago.
8. John has worked for this electronics firm since 1999.
=> John started working for this electronics firm in 1999.
9. Women have been fighting for their rights since the middle of the 20thcentury.
=> Women began lớn fight for their rights in the middle of the 20th century.
10. Jack and Jill have learned lớn drive for 2 weeks.
=> Jack and Jill started learning lớn drive 2 weeks ago.
11. How long have you studied English?
=> When did you started studying English?
12. When did you begin lớn vì thế research on lung cancer?
=> How long have you begun lớn vì thế research on lung cancer?
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4.2
10 vote