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ears have passed since he left here. 以上三種表示方法適用于所有瞬間動(dòng)詞。 另外,還可用其它表示方法,但只適用于部分瞬間動(dòng)詞。具體辦法是將瞬間動(dòng)詞轉(zhuǎn)化為表延續(xù)的動(dòng)詞或者表狀態(tài)的 be+名詞/形容詞或副詞/介詞短語等。 buy catch (get) a cold borrow e/go /bee have have a cold keep be be+名詞 join the army join the Party go to school be a soldier be a Party member be a student 3轉(zhuǎn)換成 be+形容詞或副詞 die finish begin leave fall sleep close open be dead be over be on be away be asleep be closed be open be+介詞短語 go to school join the army ① .我們買這本書三年了 . We have had the book for three years. ② 他感冒三天了 . He has had a cold for three days. We bought the book three years ago. He caught a cold three days ago. 一般過去時(shí)態(tài)和現(xiàn)在完成時(shí)態(tài)可以構(gòu)成同義句 be in school be in the army ③ 自從上星期以來 ,我就借了這本書 . I have kept the book since last week. ④ 我成為一個(gè)學(xué)生兩年多了 . I have been a student for over two years. I borrowed the book last week. I became a student two years ago. ⑤ Mr Black死了三年了。 Mr Black has been dead for three years. Mr Black died three years ago. ⑥ 小明參