Unit 2 Grammar Focus.ppt

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1、人教新目标版英语八年级下册第二单元 朱利阜阳市颍泉区第十九中学Unit 2 Ill help to clean up the city parks.Section A (Grammar Focus-4c)ReviewingTo be a volunteer,what do people often do?They would like to visit old people.She volunteers to help the disabled people.They often go to the childrens hospital to cheer up the sick kid.To

2、learn the usage of infinitives(to do).1.Id like to help homeless people.2.Mario believes it can help him to get his future dream job.3.He came to show me his new CD player.To learn to overcome difficulty.动词不定式动词不定式 (to do)动词不定式动词不定式：一种非谓语动词形式，在句中不能作：一种非谓语动词形式，在句中不能作谓语谓语(也就是说：它不能和主语直接连用也就是说：它不能和主语直接连

3、用，所以没，所以没有人称和数的变化）。有人称和数的变化）。基本形式：基本形式：to+动词原形动词原形(to do)否定形式：否定形式：not+to+动词原形动词原形(not to do)复合结构：复合结构：what/where/when/which/how +to+动词原形动词原形(即特殊即特殊疑问词疑问词+to do)动词不定式具有名词、形容词和副词的特征，因此动词不定式具有名词、形容词和副词的特征，因此可在句中作主语、表语、宾语、宾语补足语、定语可在句中作主语、表语、宾语、宾语补足语、定语Grammar FocusId like to help homeless people.She de

4、cided to try out for a volunteer after-school reading program.You could ask hospitals to let you visit the kids and cheer them up.Mario believes it can help him to get his future dream job.She volunteers there once a week to help kids learn to read.Im making some signs to put up around the school.Di

5、scussing：1.找出找出Grammar Focus 中的动词不定式。中的动词不定式。2.思考其作何成分。思考其作何成分。Take out your handouts,Showing yourself!Showing 要求：要求：小组长安排好展示同学，展示要求板书工整，内容简洁明小组长安排好展示同学，展示要求板书工整，内容简洁明了了.展示内容展示内容展示小组展示小组1、2、34、56、78、9 G3 展示展示PK G6 G7 G4 精彩点评精彩点评点评内容点评内容点评小组点评小组1、2、34、5 6、7 8、9 点评要求：点评要求：1 1.小小组长安排好点评同学，点评同学组长安排好点评同学

6、，点评同学对对比比 展展示的具示的具体内容，准备具体点评的思路方法、总结规律。体内容，准备具体点评的思路方法、总结规律。2.2.点点评时语言简练，直击重点。评时语言简练，直击重点。G1 G5G6G21.He seems _ the old lady.A.knowing B.to be knowing C.to know D.to be known 2.We all hope _ scientists.A.become B.to become C.becoming D.became 3.The boy refused _ for climbing the tall tree.A.to pay B

7、.to be paid C.being paid D.paying 一一.做动词宾语做动词宾语 (v.+to do)常见动词有常见动词有 would like,want,help,learn,hope,decide,volunteer等等等等 4.What can you expect us _(learn)from the news?5.My parents want me _(be)a doctor.二二.用作宾语补足语：用作宾语补足语：(v.+sb.+to do)to learn to be6.Im making some signs _(put up)around the school

8、.7.Our parents work hard day after day _(live)a good life.三三.用作状语用作状语 to put up to live 8.Finally,he found a job _(make)big money.9.Mom,Im so hungry,please give me something _(eat).四四.用作定语用作定语 to make to eat It is my dream to be here at Christmas time.It is easy to say,it is difficult to do.10)To be

9、 here at Christmas time is my dream.11)To say is easy,to do is difficult.(可将其用形式主语可将其用形式主语it来替换来替换)五五.用作主语用作主语六六.用作表语用作表语12.My work is to teach students.13.Her job is to look after the pandas.14.My dream is to be a scientist.1.I always tell my students _ on the road because its really dangerous.2013

10、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 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.

11、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 practice 动词不定式的用法动词不定式的用法 1.做动词宾语做动词宾语 2.作宾语补足语作宾语补足语 3.作状语作状语 4.作后置定语作后置定语 5.可以和可以和what,which,where,when等连用，等连用，在句中可作主语、表语和宾语在句中可作主语、表语和宾语记忆口诀记忆口诀 不定式

12、用法并不难，不定式用法并不难，找准它的位置最关键，找准它的位置最关键，动后宾，动宾补，动后宾，动宾补，完整句前、句后就是状语，完整句前、句后就是状语，名、代后作定语，名、代后作定语，It用作形式主语经常见，用作形式主语经常见，一定把它记心间！一定把它记心间！1.If you work for the school volunteer project,some students want to be volunteers.Give your advice to them.(using infinitives)2.Review the new words and expressions.3.Preview the story of Jimmy.