2022年沪教版英语七下unit3知识点.doc
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1、一 重点单词1 since/ for 的用法Since + 时间点 for + 一段时间He has been here since Monday.He left school in 1983, I havent seen him since then.He has worked for us ever since he left school.It has been two years since I last saw Tom.(= I last saw Tom two years ago.)(= I havent seen Tom for two years.)2 quite/ rathe
2、r/ pretty/ very “相当”This one is rather too large.Its quite/ rather a good idea.= Its a quite/ rather good idea.It was quite/rather a success.3 quite a few = many quite a little= much4 waiterwaitress actoractress bridegroom-bride headmaster-headmistress5 in charge of 负责,掌管A headmaster is in charge of
3、 a school.I am in charge of my sister.take charge of “负责,照管”He took charge of the farm after his fathers death.6 key 的用法:关键的 the key sentence答案 Do you know the key to the problem?7 have a good time= enjoy oneself8 A key ring is used for holding the keys. Hold 的用法:容纳 The room can hold 100 people.举行(会
4、议,音乐会等) They held many get-togethers with the foreign friends.握,抓住 She is holding up an umbrella.二 Grammar 1. 反意疑问句规则: 前肯后否, 前否后肯You cant do it, can you?He has dinner at home every day, doesnt he?陈述句部分有 little, few, never, hardly, seldom, 问句用肯定句式She never tells a lie, does she?陈述句中含有 un- , im-, in-,
5、 dis-, 问句仍用否定Your father is unhappy, isnt he?陈述句为 I am . 时, 问句用 arent I I am a very honest man, arent I ?反意疑问句的回答:- Cathy is reading an English magazine now, isnt she? No, she isnt. He works in a bookshop.He isnt a teacher, is he?No, he isnt. He works in a book shop.2 被动语态We use a watch for telling
6、the time.A watch is used for telling the time.3. 现在完成时非延续性动词(或称作终止性动词)不能用“现在完成时 + 表示一段时间的状语”的句型中。这类动词有:come, go, start, leave, die, buy, finish, join, borrow, stop等。但它们能够用表示持续状态的相应的延续性动词替换句中的终止性动词。arrive, come be here; be in ; buy have begin, start be on; die be dead; get up be up leave, move be awa
7、y; go out be out borrowkeep;finish/end be over; open be openclose be closed join be a member of现在完成时练习:一、选择填空1. Kates never seen Chinese films,_ ?A. hasnt she B. has she C. isnt she D. is she2. -Mum, may I go out and play basketball?-_you_ your homework yet?A. Do;finish B. Are;finishing C. Did;finis
8、h D. Have;finished3. His brother has been to Stone Forest twice_he came to Yunnan.A. after B. before C. since D. for4. Tom_the CD player for two weeks.A. has lent B. has borrowed C. has bought D. has had5. I_a letter from him since he left.A. didnt receive B. havent got C. didnt have D. havent heard
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