來源:網(wǎng)絡(luò)資源 2023-02-18 19:05:10
(2)現(xiàn)在完成時(shí)的第二個(gè)基本用法表示過去已經(jīng)開始,持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。該用法常和表示過去某一時(shí)刻延續(xù)到現(xiàn)在的一段時(shí)間的狀語連用。
①與for +一段時(shí)間連用,表示多久。
e.g. He has learned English for two years.他已經(jīng)學(xué)習(xí)兩年英語了。
I have been here for three days.我在這里已經(jīng)3天了。
②與since +時(shí)間(起點(diǎn))連用,表示自…以來。
e.g. His father has worked in that factory since 1991.他爸爸自1991年以來都在這家工廠工作。
I’ve had a cold since last Friday.自上星期五起我就感冒了。
③與since +一段時(shí)間+ ago連用,表示自…以前就…。
e.g. Jim has waited there since half an hour ago.吉姆自半個(gè)小時(shí)前就已經(jīng)在那里等候了。
He has stayed here since three weeks ago.他在這兒已呆了三個(gè)星期。
④與since +從句(從句用一般過去時(shí))連用,表示自某事發(fā)生后就一直…。
e.g.The Greens have lived in Beijng since they came to China.格林一家自從來到中國(guó)后就一直住在北京。
I’ve known her since I came to work here.自從我來這里工作就認(rèn)識(shí)他了。
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