ngu-phap-tieng-anh-tg-pham-viet-vu

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Sưu tm và thit k bi Phm Vit Vũ - 14 –
John has been living in that house for 20 years.
= John has lived in that house for 20 years.
Phân bit cách dùng gia hai thi:
Present Perfect
Hành ñng ñã ch"m dt hin ti do ñó ñã
có kt qu rõ rt.
I've waited for you for half an hour.
(and now I stop waiting because you
didn't come).
Present Perfect Progressive
Hành ñng v)n tip di'n hin ti, có kh
năng lan ti tương lai do ñó không có kt
qu rõ rt.
I've been waiting for you for half an
hour.
(and now I'm still waiting, hoping that
you'll come)
3.2 Past tenses (các thi quá kh)
3.2.1 Simple Past (thi quá kh thưng):
Dùng ñ di'n ñt mt hành ñng ñã xy ra dt ñim ti mt thi gian xác ñnh trong quá
kh (không còn di'n ra hoc nh hưng ti hin ti). Thi ñim trong câu ñưc xác ñnh
rõ rt bng mt s các phó t ch thi gian như: yesterday, at that moment, last week, ...
He went to Spain last year.
Bob bought a new bicyle yesterday.
Maria did her homework last night.
Mark washed the dishes after dinner.
We drove to the grocery store this afternoon.
George cooked dinner for his family Saturday night.
3.2.2 Past Progresseive (thi quá kh tip din):
Thi quá kh tip di'n dùng ñ di'n ñt:
(1) mt hành ñng ñang xy ra trong quá kh thì b mt hành ñng khác “chen ngang”
(khi ñang... thì b*ng...). Trong trưng hp này, m)u câu chung là:
Trưng ði Hc Kinh T ðà Nng
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