來(lái)源:網(wǎng)絡(luò)來(lái)源 作者:中考網(wǎng)編輯 2019-09-25 15:32:01
中考網(wǎng)整理了關(guān)于2020年中考英語(yǔ)知識(shí)點(diǎn)之現(xiàn)在完成時(shí)功能及意義,希望對(duì)同學(xué)們有所幫助,僅供參考。
功能及意義
1. 表示一個(gè)動(dòng)作發(fā)生在過(guò)去,對(duì)現(xiàn)在仍有影響,但沒(méi)有具體的過(guò)去時(shí)間修飾。
常由下列副詞修飾:
ever曾經(jīng)
never從不
already已經(jīng)
yet還(未)(yet只用在否定句和疑問(wèn)句中)
just剛剛
recently最近
lately近來(lái)
so far 迄今為止= until now, up to now,
before 以前
例:Have you ever been to the Great Wall?
你曾經(jīng)去過(guò)長(zhǎng)城嗎?
I have never heard of such a man.
我從沒(méi)有聽(tīng)說(shuō)過(guò)那個(gè)人。
We have just had lunch.
我們剛剛吃過(guò)午飯。
I have already returned your money.
我已經(jīng)把錢還給你了。
I haven't found my book yet.(否)
我還沒(méi)有找到筆記本。
Have you done your homework yet?
。ㄒ桑┠阕鲎鳂I(yè)了嗎?
Have you heard from him recently ?
你最近收到他的來(lái)信了嗎?
So far, no one has made any mistakes yet.
迄今為止,還沒(méi)有人犯錯(cuò)誤。
I have never traveled by plane before.
我以前從來(lái)沒(méi)有乘飛機(jī)旅行過(guò)。
2. 表示一個(gè)動(dòng)作發(fā)生在過(guò)去,一直持續(xù)到現(xiàn)在剛剛結(jié)束或者仍在繼續(xù)。常常與下列時(shí)間狀語(yǔ)連用:
→for +一段時(shí)間
I have learned English for 8 years.
→since +過(guò)去的一個(gè)時(shí)間點(diǎn)
I have learned English since 2001.
→since +一段時(shí)間+ ago
I have learned English since 8 years ago.
→since + 時(shí)態(tài)為一般過(guò)去時(shí)的時(shí)間狀語(yǔ)從句
I have learned English since I was 5 years old.
→ in the past/last +時(shí)間段
Great changes have taken place in my hometown in the past ten years.
近十年來(lái)我的家鄉(xiāng)發(fā)生了巨大的變化。
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