延續(xù)性與非延續(xù)性動(dòng)詞在現(xiàn)在完成時(shí)態(tài)中的使用。

(1)有一些動(dòng)詞是瞬間動(dòng)詞，也叫非延續(xù)性動(dòng)詞，這些動(dòng)詞一發(fā)生就結(jié)束了，常見的有：come, go, arrive, reach, leave, begin, start, buy, join, die, borrow, get up, become, open, stop等。這些動(dòng)詞雖然可以用于現(xiàn)在完成時(shí)(說明某個(gè)動(dòng)作的結(jié)果還存在)，但由于它們不能延續(xù)，因此不能跟表示一段的時(shí)間狀語連用。(也即現(xiàn)在完成時(shí)的第二個(gè)基本用法中不能使用非延續(xù)性動(dòng)詞)。

e.g. Jim has come back. (正)吉姆已經(jīng)回來了。

Jim has come back for a month. (誤) come back的動(dòng)作不能延續(xù)一個(gè)月，因此錯(cuò)誤。

(2)瞬間動(dòng)詞不可以用于有段時(shí)間的現(xiàn)在完成時(shí)態(tài)中，因此，若要解決這一問題，就應(yīng)把它改為相應(yīng)的延續(xù)性動(dòng)詞或短語，主要有以下幾種：

①用相應(yīng)的延續(xù)性動(dòng)詞

如：buy → have borrow → keep come/go/become → be put on → wear catch a cold → have a cold②轉(zhuǎn)換成be+名詞

如：join → be a member of go to school → be a student③轉(zhuǎn)換成be+形容詞或副詞

如：die → be dead leave → be away begin → be on finish → be over fall asleep — be asleep open → be open get up → be up close → closed④轉(zhuǎn)換成be+介詞短語

如：come to/go to/arrive in (at)/get to/reach …→ be in/at… join the army → be in the army(軍隊(duì))

e.g. I have borrowed the book.我已經(jīng)借了那本書。

I have kept the book for two days.我已經(jīng)借那本書兩天了。

Jim has joined the band.吉姆已經(jīng)加入那樂隊(duì)了。

Jim has been a member of the band for a month.吉姆已經(jīng)加入那個(gè)樂隊(duì)一個(gè)月了。

His grandfather has died.他祖父已經(jīng)死了。

His grandfather has been dead for 2 years.他祖父已經(jīng)死了兩年了。

My father has arrived in China.我父親已經(jīng)到達(dá)中國了。

My father has been in China for a week.我父親已經(jīng)在中國一個(gè)星期了。

(3)在否定句中，非延續(xù)性動(dòng)詞也可以與時(shí)間段連用。

e.g. I haven’t borrowed books from the library since last year.自去年以來我就沒有在圖書館借過書。

Jim hasn’t come back for a year.吉姆已有一年沒回來了。

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