Revisionforunit4

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1、Revision for unit4I. 词汇A. 应掌握的词形变化词性词义变化1. week-weekly2. come-coming3. Asia-Asian4. announce-announcement5. murder-murderer6. horror-horrible7. direct-director8. direct-indirect直接的，间接的9. scare-scared10. appear-disappear11. disturb-disturbed12. photograph-photography13. act-actor/actress 14. late-lat

2、est15. view-viewer 16. agree-disagree17. sport-sporty18. end-ending19. prepare-preparation20. recent-recently21. die-dead-death-dying22. discuss-discussion23. compete-competition24. end-ending25. control-control26. decide-decisionB. 含有连字符的词round-up, up-to-date, one-hour, real-lifeC. 同义词up-to-date=la

3、test, cover=include, scared=afraid=frightened, face=meet, scene=view, famous=well-known, yet=but, kind=type1.Im far too busy to go shopping. 我太忙了而不能去购物。( far表示程度) Im so busy that I cant go shopping.2. Every one of them has their own favourite TV programme.分开的every one后可加of，连起来的everyone不可加；注意program和

4、programme两种拼写3.You might find this weeks programme a bit boring.4There are also a number of interviews with some famous football players. The number of students in our school is about 3000.5. You could (可能)win two free concert tickets.6.This years Beijing Music Awards will be covered live.7.The pres

5、entation will be held in Beijing this coming Saturday.8.Twenty thousand fans have voted online for their favourite songs, singers and music videos.9.Murder in a Country House is a horror film (directed by Cindy Clark).过去分词短语作后置定语表被动10.A doctor is found dead in his house.11.This one-hour documentary

6、takes a close look at the life of tigers in India.12. There are always famous people on these shows talking about their lives.13.The two children disagree about everything and always argue.14.While/As I was getting ready to watch it, the phone rang.15.It is you who made our story so perfect. 使我们的故事如

7、此完美的人就是你。16. You worked much harder than I did. (much后加比拟级)V. GrammarA. fromto; betweenan. between和among的区别：between两者之间，among三者或三者以上B. before, after, until1. 做连词用，引导时间状语从句2. before， after作连词，引导时间状语从句，紧跟着before， after的句子叫从句，另一句是主句，主句在前不需要加逗号，从句在前需要加逗号3. unitl等于till，注意两个词的拼写；两个词可以互换，区别：until可以用于句首和句中，

8、而till只能用于句中，特别注意notuntil的句型，诸如：3. before和after可以充当介词的用法，后面直接接动词用ing形式C. when, while, as1. when 任何时候都能用=while和as2. when, while, as作连词，引导时间状语从句，紧跟着when，while，as的句子叫从句，另一句是主句，主句在前不需要加逗号，从句在前需要加逗号3 具体用法：主句从句whileLong actionLong action两长用whileasShort actionShort action两短用shortwhile/asShort actionLong act

9、ion一短一长两个都可以asLong actionShort action一长一短用as备注：紧跟while的从句必须用长动作诸如练笔：_ we walked in Peoples Square, we saw lots of tourists. Look at this picture. I took it _ I left._ we were walking around, we were so busy looking at the interesting buildings in Shanghai that we did not have time to talk to anybody

10、._ I got off the plane, I tried to call you but Mum said you were sleeping.Something went wrong _ I was recording the football match.I saw the mobile phone in his hand _ he got out of his car. Mr Chen normally gets up _ Mrs Chen is making breakfast.David arrived home _ Amy was sleeping._ she closed

11、the door, the phone rang.The birds started to sing _ the sun was rising._ the traffic lights turned red, the cars stopped.I saw a traffic accident today _ I was coming home._ an old lady walked onto a zebra crossing, a car suddenly turned round the corner and knocked her down. _ a crowd of people we

12、re gathering around, the police and an ambulance arrived.The ambulance took the old lady to hospital _ two policemen questioned the driver.He was using a mobile phone _ he was driving._ I was doing my homework, my father was reading newspapers._ he sat on the sofa, his father gave him an apple._ he

13、went past that shop, suddenly he thought of buying a knife. 4. while的特殊用法while & but她喜欢跳舞, 而我喜欢画画.She likes dancing, while I like drawing.5. as的其他用法asasas soon asAs time goes by, we understand more and more than before. D. 副词1. 用副词修饰动词或动词短语2表示感觉身体好的时候，feel well，其他情况下感官动词后一律加形容词3形容词变副词通常情况下直接加ly，以e结尾

14、的也直接加ly，wise-wisely， close-closely除了true， truetruly，以y结尾的形容词去y变i加ly，happy-happily，lucky-luckily；以le结尾的去e变y，comfortable-comfortably，terrible-terribly，不规那么的，good-well，形容词和副词同形，hard-hard，early-early，fast-fast，late-late，high-high等4. 副词的比拟级最高级，单音节直接加er，est，多音节的词加more，most，诸如：hard-harder-hardest，beautiful

15、ly-more beautifully-most beautifully，不规那么的little-less-least，well-better-best，much-more-most5副词的最高级既可以加the又可以不加the6注意以下例句的用法The live more happily than before.She sings as sweetly as an angel.You study harder and harder.It rained more and more heavily.The more I see her , the less I like her.The faster he types, the more mistakes he will make.He works (the)hardest of all the students