九年级（上）Unit4单元复习课件.ppt

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1、 Revision of unit 412/22/2022 Important sentences12/22/20221.what if+从句 如果怎么办，要是又怎么样,其回答是:If,would要是她不来怎么办？What if she doesnt come?If I _ you,I _(wait)for her.如果李雷知道了怎么办？What if Li Lei knows?If I _ you,I _(let)him do it.werewould waitwerewould let虚拟语气虚拟语气虚拟语气虚拟语气一、概念一、概念 虚拟语气表示所说的话只是一种主观愿望和假虚拟语气表示所说

2、的话只是一种主观愿望和假想虚拟的情况或与事实相反的假设。在初中阶段，想虚拟的情况或与事实相反的假设。在初中阶段，我们主要掌握它在非真实条件从句中的应用。我们主要掌握它在非真实条件从句中的应用。二、在条件句中的应用二、在条件句中的应用真实条件句真实条件句非真实条件句非真实条件句 真实条件句要用陈述语气，假设的情况真实条件句要用陈述语气，假设的情况可能发生，其中可能发生，其中 if 是是“如果，假使如果，假使”的意的意思。例如：思。例如：If it _ sunny tomorrow,we _to the zoo.如果明天天晴，我们将会去动物园。如果明天天晴，我们将会去动物园。在这个句子中，通过种种

3、迹象在这个句子中，通过种种迹象表明，明天天气好是完全有可能实现的，表明，明天天气好是完全有可能实现的，并非虚拟、幻想，因此是真实条件句。主并非虚拟、幻想，因此是真实条件句。主句用一般将来时，从句用一般现在时来表句用一般将来时，从句用一般现在时来表示将来意义。示将来意义。iswill go 2.非真实条件句表示的是不可能实现的非真实条件句表示的是不可能实现的或实现的可能性很小的愿望或假想虚拟或实现的可能性很小的愿望或假想虚拟的情况，故要用虚拟语气。例如：的情况，故要用虚拟语气。例如：If I were you,I would take a small present.如果我是你的话如果我是你的话

4、,我就带上一个小礼物。我就带上一个小礼物。在这个句子中，条件句是在这个句子中，条件句是“如果我是如果我是你你”，但事实上，但事实上，“我我”不可能成为不可能成为“你你”，这只是假设的情况，没有实现的可能。这只是假设的情况，没有实现的可能。当条件实现的可能性很小，甚至可以说当条件实现的可能性很小，甚至可以说没有时，就需要用虚拟语气来表示。没有时，就需要用虚拟语气来表示。(从句)if+主语+动词过去式(be动词用were),一般过去时(主句)主语+would+动词原形过去将来时eg：IfI_time,I_(go)forawalk.如果我有时间，我就会去散步。(事实上我现在没有时间)12/22/20

5、22hadwould goIf I _ you,I _(take)an umbrella.假如我是你的话，我会带上雨伞。(事实上我不是你)I _no if someone _ me to be in a movie.假如有人请我当电影演员，我会表示拒绝。(事实上瑞没有人请我当电影演员)12/22/2022werewould take would say askedIf+主语主语+动词的过去式动词的过去式（动词（动词be用用were)主语主语+should,would,might,could动动词原形词原形If+主语主语+had+过去过去分词分词主语主语should,would,might,co

6、uldhave done1、If+主语主语+动词过去式动词过去式2、If+主语主语+were to+动原动原3、If+主语主语+should+动词原形动词原形主语主语should,would,might,could动词原形动词原形 eg:If I _ time,I_(take)part in the meeting.If he _,he _the train.If I _abroad,I _to If I _ you,I _harder at my lessons.hadwould take had hurriedcould have caught were to go would go we

7、rewould work If I _his telephone number,I _him.If it _to rain,we _off the match.注意注意:wish 后面的宾语从句中。后面的宾语从句中。一般用虚拟语气，表示一种不可能实现一般用虚拟语气，表示一种不可能实现的愿望。的愿望。其谓语动词形式为：其谓语动词形式为：12/22/2022had known would have called should were would call 表现在过去时表现在过去时表过去过去完成时表过去过去完成时表将来表将来would,might,could动词原动词原形形12/22/2022I

8、wish(that)I _ a bird.I wish(that)I _the film last night.I wish(that)I _ go.12/22/2022werehad seen wouldcould2.He doesnt know what to wear.I dont know what to say or do.以上两句中的what to wear,what to say or do 为“疑问句+动词不定式”作宾语。在疑问代词(who,whom,what,which)和疑问副词(when,where,how,why)后加不定式构成具有名词作用的不定式短语,在句中可12/2

9、2/2022作主语.宾语.表语等成分.这种结构经常可以互换使用,主句动词有:know,tell,show,teach,decide等词后的不定式的执行者或宾词从句的主语和主句的主语或者主句的 宾语是同一个人,就可以互换.I teach him to make beef noodles.=I teach him _ he _beef noodles.12/22/2022howcan make I dont know how to do it.=I dont know _ I _ it.I show Lucy how she goes to the airport.=I show Lucy_ _

10、to the airport.3.If 用于宾从是是否的意思,于条件句中是如果的意思.12/22/2022howcan dohow togoIf he _(come),we wont know if we_(do)this work.4.I cant sleep the night before I take a big exam.before 引导的句子是作定语的,叫定语从句.你吃的食物能帮你解决这个问题。12/22/2022doest comeshould do The foods you eat could help with this problem.我想和看上去友善的人谈话._.马丁

11、鲁滨逊是一位在处理青少年问题方面有丰富经验的著名医生12/22/2022Id like to talk to someone who looks friendly_5.get along(with)=get on(with)进 行，进 展 The business is getting along very well._ are you getting along with your English study?12/22/2022HowMartin is a doctor who has lots of experience dealing with teenagers.相处Do you g

12、et along with your boss?=Do you and your boss _ along?Im getting along very well _ my classmates.6.would rather than （=would rather than）宁愿，而不愿12/22/2022。withgetHe would _ TV rather than _ football.=He prefers _ TV to _ football.would rather 常单独使用，表示“宁愿做”He would rather watch TV at home.rather than=

13、instead of 而不是（连接两个并列成分，前后对称）。12/22/2022playwatchingwatchplayingI decided to write _telephone.I like going out with you _him.She enjoys listening _ _.12/22/2022rather than rather than with ratherthan speaking前后连接两个动词原形，否定形式为：would rather not do sthwould rather than =prefer to 但prefer to 若连接两个动词，动词应为

14、v-ing 形式。He would rather _TVthan _ football.=He prefers _ TV to _ football.watch playwatchingplaying7.I cant sleep the night before I take a big exam.=I cant sleep the night before taking a big exam.如果在跑步时你伤了膝盖，你会怎么做？_ afteryou were _12/22/2022What would you do if you injured while/after running?=Wh

15、at wouldyou do if you injured while/running?8.Social situations dont bother you in the slightest.not in the slightest“一点儿也不”“丝毫不”,与not at all 或in the least 意思相同。-Do you mind if I use your car?-_.她一点儿都不喜欢那个男人。12/22/2022Not in the slightestShe _like the man _.9.What do you think I should tell Mei?do y

16、ou think 作插入语的用法用于混合疑问句中。混合疑问句指特殊疑问句一般疑问句 do you think相当于一个一般疑问句 12/22/2022doesnt in the slightest混合疑问句的句式：特殊疑问词do you think（或其他表示心里活动的词）陈述语序“陈述语序”非常重要。What can I do？是一个特殊疑问句，如果中间插入do you think则后面必须改为陈述语序What _you think _ do？12/22/2022do do I canI can6.Unless we deal with our problems,wecan easily b

17、ecome unhappy.=_ we _ deal with ourproblems,we can easily becomeunhappy.eg:Unless you take more care,you will have an accident.(同义句同义句)If you dont take more care,you will have an accident.More exercise1.We feel _ happy that we meet again after so many years.A.so B.such C.too much D.much too12/22/202

18、2D 完成句子。1.玛丽决不会让你失望。Mary _ _ _ you _.2.他的新书将于何时出版？When_ his new book_ _?3.如果我是你，我会每天步行去上学。_ I_ you,I_ to school every day.12/22/2022willneverletdownwillcomeoutIfwerewould walk4.假如我不认识人怎么办？_I dont know anyone?5.他和同学相处的很好。He _his classmates.6.在夏天，这里很多雨水的。There are_rain here in summer12/22/2022What if

19、gets on well withplenty of 7.我不知道穿什么。I dont know_.8.老师让他代表我们班参加学校的比赛。The teacher wants him_in the school contest.12/22/2022what to wear to take part用所给词的适当形式填空。permit,go,be,try,nervous,shy,tired,terrible,friendly1.Im really_.Ive been studying all day.2.I dont like making speeches.I feel_ talking in

20、front of many people.12/22/2022tirednervous3.Your brother borrowed your clothes without_.4.You would rather stay at home and read a good book than_ to a party12/22/2022permissiongo5.If you were more_ to people,you would have more friends.6.The backboard behind the basket were added to stop people from _ to catch the ball.7.If she_ you,she would leave there.12/22/2022friendlytryingwere8.My stomach feels_.I think I ate something bad at lunch time.9.Many people think Kate is very_.But in fact,she talks a lot with her friends.12/22/2022terribleshy