沪教版英语七下unit3知识点.doc

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/ rather/ 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 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-, 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 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 away； 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；finish 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 heard6. -Have you ever_Beijing ? -Yes, I have.A. went to B. gone to C. been in D. been to7. My parents _ Shandong for ten years.A. have been in B. have been to C. have gone to D. have been8. I wont go to the concert because I _my ticket.A. lost B. dont lose C. have lost D. is coming9. Where is Mr Liu? - He_ the library. A. has been to B. has gone to C. has been in D.has went10. We came to Shanghai three years ago, so we_here for two years. A. have been to B. have been in C. have been D. have gone11.- How long_you _your exam paper? - About three months. A. did；buy B. have；get C. have；had D. have；bought12. He tells me he _China for over eight years. A. has been B. has been in C. has been to D. has gone to13. His parents_ for more than 3 years. A. have come here B. have started to workC. have lived there D. have left the university14I_ a letter from him since he leftAdidnt receive Bhavent got Cdidnt have Dhavent heard15Where have you _ these days？I have _to Dalian with my friendsAbeen；gone Bbeen；been Cgone；been Dgone；gone16How long have you _ this book？Abought Bborrowed Chad Dlent17Wheres Peter？ He _ to NanjingAis going Bhas been Chas gone Dwent18We have lived here _ five years agoAwhen Bsince Cbefore Dafter19I have watched the game When _you _ it？Ahave；watched Bdo；watch Cdid；watch Dwill；watch20. Miss Brown _ to the Great Wall twiceAhave been Bhas been Chave gone Dhas gone二用动词的适当形式填空1. I_ already _(see) the film. I_(see) it last week.2. _he_(finish) his work yet? Not yet.3. _you_(be) to Hong Kong? Yes, I_(be) there twice.4. _you ever_(eat ) chocolate? No, never.5.My father_ just_(come) back from work. He is tired now.6. Wheres Li Ming? He_(go) to the teachers office.7.I_(work) here since I_(move) here in 1999.8. How long_ the Wangs _(stay) here ? For two weeks.三. 句型转换 (每空一词)1. I have been to Macau before. (改为否定句)I_ _been to Macau before.2. He hasnt come to school because hes ill. (就划线部分提问)_ _ he come to school?3. He has learned English for 5 years. (就划线部分提问)_ _ _ _learned English?4. I bought a new bike just now. (用just改写)I_ just _a new bike.5. We began to learn English three years ago. (改为同义句)We_ _English _three years.四填入has / have been 或has / have gone.1. Harry： I saw you in Annabels Restaurant last night. Diana： No, it wasnt me. I _ never_ there.2. Sam： Sally and Tim are on holiday, arent they? Where_they _?Sue：To Florida, again.Sam： How many times_they_there?Sue： This is their third visit.3. Steve： Can I speak to Jill, please?Lynn： Shes out, Im afraid. She_to the cinema this evening.Steve： Again? She_already_to the cinema three times this week.五、 用for 或since填空。1. Jill has been in Ireland_Monday.2. Jill has been in Ireland_three days.3. My aunt h