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`1.` Tom has played the piano for `4` years.
`2.` I have cooked for the party for `4` hours.
`3.` She has worked as a secretary for `2` years.
`4.` My father has been reading a newspaper for `2` hours.
`-` Ở câu gốc: Bố tôi đang đọc báo. Ông ấy đã bắt đầu từ `2` giờ trước. Vậy nên ở đây ta dùng thì HTHTTD chỉ sự nhấn mạnh tính diễn ra liên tục của hành động ở trong quá khứ vẫn còn tiếp diễn ở hiện tại.
`5.` My sister has studied English for a year.
`6.` Scientists have been fighting against AIDS in `1980.`
`7.` The Browns began to live in London `20` years ago.
`8.` John started working for this electronics firm in `1999.`
`9.` Women began to fight for their rights in the middle of the `20`th century.
`10.` Jack and Bill started learning to drive `2` weeks ago.
`--------------------`
`-` Cấu trúc: S `+` began/started `+` V-ing/to-V `+` in/at/when ... `/`ago
`->` Ai đó bắt đầu làm việc gì ...
`=` S `+` have/has + Ved/C3 `/` have/has + been + V-ing `+` since/for
`->` Ai đó làm việc gì được bao lâu ...
`-` Cấu trúc Since (Kể từ khi): S `+` V(HTHT) `+` since `+` S `+` V(QKĐ)
Hãy giúp mọi người biết câu trả lời này thế nào?
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`1.` Tom has played the piano for 4 years
`2.` I have cooked for the party for 4 hours
`3.` She has worked as a secretary for 2 years
`4.` My father has read a newspaper for 2 hours
`5.` My sister has studied English for a year
`6.` Scientists have fought against AIDS since 1980
`7.` The Browns began to live in London 20 years ago
`8.` John started to work for this document film in 1999
`10.` Jack and Jill started to learn to drive 2 weeks ago
`-` S `+` began/started `+` to `-` V/Ving `+` time `+` ago/ in `+` time
`=` S `+` has `+` VPII `+` for `+` time/since `+` time
`FrozenQueen`
Hãy giúp mọi người biết câu trả lời này thế nào?
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