八年級(jí)英語(yǔ)下冊(cè) Unit 1 Past and present Grammar 2教案三 牛津版

1、8B Unit 1 Past and present(Grammar 2)教學(xué)目標(biāo)：1. To learn some new words.2. To learn the use of the present perfect tense.重點(diǎn)難點(diǎn)：短暫性動(dòng)詞和延續(xù)性動(dòng)詞的區(qū)別、用法及轉(zhuǎn)換教學(xué)過(guò)程：Step1. Check the homework.Step2 .Add some irregular verbs.becomebecame-become choosechosechosen costcostcost drinkdrankdrunk feelfeltfelt givegavegiven

2、growgrewgrown hurt-hurthurt lend-lent-lent pay-paid-paid meet-met-met Step3. Explain the grammar.短暫性動(dòng)詞（瞬間性動(dòng)詞）由于動(dòng)作不能延續(xù)，故不能與表示一段時(shí)間的狀語(yǔ)for或since連用。常見的短暫性動(dòng)詞有：go, come, borrow, open, close, stop, join, marry, die, become, arrive, reach, begin, start, leave, receive, buy, put, lose，lend, find, finish等。如果表達(dá)

3、上述短暫性動(dòng)詞“繼續(xù)多長(zhǎng)時(shí)間”的概念，則需要改用與之相應(yīng)的表示狀態(tài)的系表結(jié)構(gòu)，這種系表結(jié)構(gòu)多為 be+ 形容詞（副詞、介詞短語(yǔ)等）構(gòu)成，試比較：誤：He has come here for seven years.正：He has been here for seven years. He came here seven years ago.誤：This factory has opened for several years.正：This factory has been open for several years.(open是形容詞，表示“開”的狀態(tài)。) This factory ope

4、ned several years ago.( closebe closed 用法同上)類似的詞還有：diebe dead誤： His father has died for two months.正： His father has been dead for two months/since two months ago.or His father died two months ago. buyhave誤： Sam has bought the knife for a week .正： Sam has had the knife for a week /since a week ago.

5、or Sam bought the knife a week ago.get upbe up誤： Xiao Ming has got up for an hour.正： Xiao Ming has been up for an hour. or Xiao Ming got up an hour ago.leavebe away from誤： She has left here for two years.正： She has been away from here for two years. or She left here two years ago. borrowkeep誤： Tom h

6、as borrowed the book for two days.正： Tom has kept the book for two days. or Tom borrowed the book the day before yesterday. joinbe in +組織/ be a .member誤： My brother has joined the League /army /Party for 10 years.正： My brother has been in the League /army /Party for 10 years/since 1995. or My brothe

7、r has been a League member/ soldier/Party member for 10 years/since1995. or My brother joined the League /army /Party in 1995. start/ begin be on誤： The film has begun for ten minutes.正： The film has been on for ten minutes. or The film began ten minutes ago. come backbe back誤： He has come back for t

8、hree days.正： He has been back for three days. or He came back three days ago. marrybe married誤： They have married for 15 years.正： They have been married for 15 years. or They got married 15 years ago.Come be in/ at 誤：My cousin has come to Beijing for a month.正：My cousin has been in Beijing for a mon

9、th.or My cousin came to Beijing a month ago.Step6. Assignment1He came to our village two years ago. = He _ _ _ our village since two years ago.2 He left home three days ago. = He _ _ _ _ home for 3 days.3 I bought the watch 2 weeks ago. = I _ _ the watch 2 weeks ago.4 It is 5 days since I borrowed t

10、he book. = I _ _ the book for 5 days.5 The film has begun for half an hour. = The film _ _ _ for half an hour.6 I got to know him 10 years ago. = I _ _ him for 10 years.7 There is a fatory. = There _ _ a factory for 20 years.8 Our school opened in 1960. = Our school _ _ _ since 1960.板書設(shè)計(jì)：8B Unit 1 Grammar (2)誤：He has come here for seven years.正：He has been here for seven years. He came here seven years ago.誤：This factory has opened for several years.正：This factory has been open