上海教育出版社英語八年級上冊

1、上海教育出版社 英語 八年級上冊,Unit 5 語法 現(xiàn)在完成時(shí)延續(xù)性動詞和短暫性動詞,單位：深圳市羅湖區(qū)松泉中學(xué) 教師：李文娟,The film ______ for ten minutes.A. has begun B. has been on,常見的延續(xù)性動詞有：live, work, study, learn, sleep, stay等，延續(xù)性動詞可以和表示一段的時(shí)間狀語

2、連用。,e.g. They have lived here for 10 years.,延續(xù)性動詞是指動作發(fā)生后還可以延續(xù)一段時(shí)間或者相當(dāng)長的一段時(shí)間。,短暫性動詞也稱做終止性動詞、非延續(xù)性動詞或瞬間動詞，表示動作不能延續(xù)，只是一瞬間就結(jié)束的動作。,常見的短暫性動詞有：come, go, arrive, reach, see, hear, close, open, leave, begin, start, lose, buy, fa

3、ll, join, die, become, borrow, get up等．,短暫性動詞的用法：,1. 短暫性動詞可以用于現(xiàn)在完成時(shí)，但是它的肯定式不能與表示一段時(shí)間的for或since或how long等狀語連用。,e.g.I have borrowed the book.(√) I have borrowed the book for a week.(×),,2. 而在否定句中，短暫性動詞也可以用表示一段時(shí)間的狀

4、語來修飾。,e.g. I haven’t heard from Uncle Wang for a long time.,3.用一般過去時(shí)來表達(dá)。,e.g. He came back a week ago.,4.用“It is ﹢一段時(shí)間﹢since…”句型來表達(dá)。,e.g. It is a week since he came back.,短暫性動詞轉(zhuǎn)換成延續(xù)性動詞，常用的有以下幾個(gè)：,go there,,be in,go there

5、,,be in,go there,,go there,,be in,go there,,be in,go there,,go there,,come here,,be here,come here,,get out,,be out,get out,,fall asleep,,be asleep,fall asleep,be asleep,,I have bought the book. =I bought the book

6、a week ago. =I have had the book for a week. =I have had the book since a week ago.,鞏固練習(xí)：（同義轉(zhuǎn)換，每空一詞）,１.Li Lei joined the army three years ago. Li Lei the army three years ago. Li Lei

7、 a _____ three years. three years Li Lei joined the army. 2.My father left Gucheng last week. My father Gucheng a week.3.The factory opened in 1996.