unit2Illhelptocleanupthecityparks3a4c

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1、Section APeriod TwoTo learn the usage of infinitivesTo learn new words:raise,alone语法讲解建议采用归纳法，如语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，尽可能多的呈现一些相关例句，或可让学生从已学课文中找相或可让学生从已学课文中找相应例句，引导学生试着从所观应例句，引导学生试着从所观察到的语言现象中总结出语法察到的语言现象中总结出语法规律。规律。1)Id like to help homeless people.2)She decided to try out for a volunteer after

2、-school reading program.3)You could ask hospitals to let you visit the kids and cheer them up.4)Mario believes it can help him to get his future dream job.5)She volunteers there once a week to help kids learn to read.6)Im making some signs to put up around the school.to test your sense of observatio

3、nto test your ability of short-term memory to test your ability to highlight the language pointsGuess1)Id like _ homeless people.2)She decided _ for a volunteer after-school reading program.3)You could ask hospitals _ you visit the kids and cheer them up.4)Mario believes it can help him _ his future

4、 dream job.5)She volunteers there once a week _ kids learn _.6)Im making some signs _ around the school.Fill in the blanks.to helpto try out to letto getto helpto readto put up1.I want _(become)a policeman one day.2.He wants the students _(eat)well.3.The teacher made his students _ (come)into the me

5、eting room on time.4.The boy was free _(go)where he liked.5.Nobody tells him what _(do)next.根据提示完成下列句子。根据提示完成下列句子。to becometo eatcometo goto do4aFinish the blanks with the phrasal verbs in the box.put uphand outcall upcheer upcome up withgive output off1.I want to _ my plan to work in an animal hosp

6、ital until next summer.Im too busy with my studies this year.2.She hopes to _ at least five primary schools to ask if they need volunteers for their after-school programs.put offcall upput uphand outcall upcheer upcome up withgive output off3.Our class is trying to _ _ some ideas to _ sick children

7、because they are often sad.4.We decided to _signs around the school and _ notices to tell students about the book sale.We will _ the money from the sale to homeless e upwithcheer upput uphand outgive out4bFill in the blanks with the correct forms of the verbs in the box.help move do make visit spend

8、 Most people today are only worried about getting good jobs _ lots of money.In their free time,they think about what _ for fun.However,few people think about what they can do _ others.There are many people who are less lucky than us.to maketo doto helphelp move do make visit spend Volunteering our t

9、ime to help these people is a good way _ our free time.For example,we can make plans _ sick children in the hospital or raise money for homeless people.Some people even stop doing their jobs for a few months to a year _ to another place,like one of the countries in Africa,and help people there.to sp

10、endto visitto move4cComplete the sentences with your own ideas.Use infinitives.1.Id like to volunteer _2.At 12:00 a.m.,I called my friend _3.Im very busy but I could help _4.Summer vacation is coming,and I want _5.I want to travel alone.My parents told me _to help poor people.to have lunch togethert

11、o do the housework for my parents.to have a long journey abroad.not to eat unhealthy food.以上我们已经通过归纳总结和练习以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，对本课的语法内容有了一定的了解，下面就让我们根据下面就让我们根据之前练习的考察情之前练习的考察情况进一步选择讲解况进一步选择讲解该语法项的重难点。该语法项的重难点。动词不定式动词不定式动词不定式是一种非谓语动词形式，在句动词不定式是一种非谓语动词形式，在句中不能作谓语，没有人称和数的变化。中不能作谓语，没有人称和数的变化。其基

12、本形式为：其基本形式为：to动词原形动词原形，有时，有时to可可以省略；以省略；否定形式：否定形式：not+动词不定式动词不定式 动词不定式具有名词、形容词和副词的特动词不定式具有名词、形容词和副词的特征，因此可以在句中作主语、宾语、宾语征，因此可以在句中作主语、宾语、宾语补足语、定语和状语等。补足语、定语和状语等。可以放在一些动词后面用作宾语，这可以放在一些动词后面用作宾语，这些动词有些动词有want,plan,agree,ask 等。等。你必须学着照顾自己。你必须学着照顾自己。You must learn to look after yourself.我让他周日到达。我让他周日到达。I t

13、ell him to arrive on Sunday.可作宾语补足语，表示宾语所做的动可作宾语补足语，表示宾语所做的动作，这些动词有作，这些动词有tell,ask,want,like等。等。PractisePractise有一些动词后用作宾语补足语的不定式有一些动词后用作宾语补足语的不定式通常不带通常不带to。一类是。一类是感官动词感官动词，常见的有，常见的有see,hear,watch,feel,notice等；另一类是等；另一类是使役动词使役动词，常见的，常见的let,make,have等。等。听说你病了我很难过。听说你病了我很难过。I am sorry to hear that you

14、 are ill.动词不定式作状语常用在动词不定式作状语常用在“be+形容词形容词+不定式不定式”这种结构中。如：这种结构中。如：When to start is not decided yet.还没决定什么时候开始。还没决定什么时候开始。(作主语作主语)The problem is where to have the party.问题是去哪办聚会。问题是去哪办聚会。(作表语作表语)I dont know where to go.我不知道去哪。我不知道去哪。(作宾语作宾语)动词不定式可以和动词不定式可以和what,which,where,when等连用，在句中可作主语、等连用，在句中可作主语、

15、表语和宾语。如：表语和宾语。如：GrammarFocus动词不定式的用法。动词不定式的用法。注注:另附另附word文档。文档。点击此处链接点击此处链接根据汉语提示补全句子。根据汉语提示补全句子。1.你愿意帮忙打扫城市公园吗？你愿意帮忙打扫城市公园吗？Would you like _ _ _ _ the city parks?2.莉莉，你能帮我洗碗吗？莉莉，你能帮我洗碗吗？Could you please help me _ _ the dishes,Lily?3.简没有想出解决这道数学题的好方法。简没有想出解决这道数学题的好方法。Jane didnt _ _ _ a good way _ _

16、_ this math problem.to help clean upto wash come up withto work out4.他们正计划去拉萨旅行。他们正计划去拉萨旅行。Theyre _ _ _ a trip to Lassa.5.我们应该努力学习，将来为我们的祖我们应该努力学习，将来为我们的祖 国做重大的贡献。国做重大的贡献。We should study hard _ _ a major commitment for our country in the future.planning to taketo make根据汉语提示完成下列句子。根据汉语提示完成下列句子。1.We m

17、ust find a person _(做这项工作做这项工作)2.In my family,my mother is always the first one _(起床起床).3.Do you have _(什么问题要问什么问题要问)？4.Please tell me _ (怎样念这个词怎样念这个词).to do the workto get upany questions to askhow to say this word5.I havent decided _(买买哪一件衬衫哪一件衬衫)6.The question is _(走哪走哪一条路一条路).7.She didnt know _(

18、说什么说什么)？8.I _(看见他上楼看见他上楼)a moment ago.which shirt to buywhich way to gowhat to saysaw him go upstairs1.I always tell my students _ on the road because its really dangerous.2013广东广州广东广州 A.not to play B.to play not C.not playing D.not play2.I will go to Harbin for my summer vacation.What about you?-I

19、havent decided where _.2013山东济宁山东济宁 A.go B.went C.going D.to go3.I didnt hear you come in just now.-Thats good.We tried _ any noise,for you were sleeping.2013广东广东 A.not make B.not to make C.to make D.making4.Lucy is shy.She would not invite her classmates _ dancing with her.2013江西江西 A.practice B.practices C.practicing D.to practice1.Review the new words and expressions.2.If you work for the school volunteer project,some students want to be volunteers.Give your advice to them.(using infinitives)To preview the new words and expressionsTo preview the story of Jimmy