GrammarThe infinitive1.Toseeistobelieve.2.Itismyambitiontomakesurethatthedisabledpeopleinourneighborhoodhaveaccesstoallpublicbuildings.3.MyambitionistoworkinthecomputerindustrywhenIgrowup.4.Idonthavetimetositaroundfeelingsorryformyself.I. 判断下列不定式在句子中充当的成分。判断下列不定式在句子中充当的成分。(subject)(subject)(predicative)(attribute)5.Abigcompanyhasdecidedtobuyitfromme.6.Ihavehadtoworkhardtoliveanormallife.7.SomedaysIamtootiredtogetoutofbed.8.Wemustcallonlocalgovernmenttogivefinancialassistancetodisabledpeople.(object)(adverbial)(adverbial)(objectcomplement)Conclusion: 不定式由不定式由“ to+动词原形动词原形”构成，没构成，没有人称和数的变化，在句中不能独立作谓语。不定有人称和数的变化，在句中不能独立作谓语。不定式在句中可作式在句中可作_, _, _, _, _, _。主语主语宾语补足语宾语补足语状语状语定语定语宾语宾语表语表语.不定式在句子中的成分不定式在句子中的成分1.不定式在句子中做主语不定式在句子中做主语(1)Toactlikethatischildish.(2)ItisnoteasytolearnEnglishwell.(3)Itcallsforagreatdealofmemoryworktomasteraforeignlanguage.Conclusion：为避免句子出现“头重脚轻”现象,常用做形式主语,将真正主语的不定式后置。it2.不定式在句子中宾语不定式在句子中宾语A.(1)Sheintendstotalkaboutthematter.(2)Hehopestofindajobsoon.Conclusion：常接动词不定式作宾语的动词有：want,wish,hope,expect,intend,mean,agree,promise,care,refuse,determine,decide,offer,attempt,manage,afford等。等。B.(1)Iwasallowedtocontinue_(use)thelibrary.(2)Whendidyoubegin_(learn)English?Conclusion：begin,start,continue后既可接_又可接_作宾语，意义上无根本区别。to use/usingto learn/learning不定式不定式v-ingC.(1)请接着做同一个练习。Pleasegoon_(do)thesameexercise(2)请做另外一个练习。Pleasegoon_(do)theotherexerciseConclusion：goon后既可接，也可以接,但意义不同；有类似用法的动词有：stop,mean,forget,remember,regret等等doingto do不定式不定式v-ingD.(1)Haveyoudecidedwhattodonext?(2)Ididntknowwhethertolaughorcryaboutit.(3)Illaskhim howtooperatethemachine.Conclusion：动词learn,decide,know,determine,ask等常跟“+不定式（短语）”作宾语。疑问词疑问词E.(1)Ifinditdifficulttoworkwithhim.(2)Hemakesitaruletoreadnewspaperforanhourbeforebreakfasteveryday.Conclusion：feel,find,make,think,believe,consider等动词后如果接不定式做宾语，并且有形容词作宾语补足语(有时也可是名词),常用形式宾语,把不定式后移。itF.(1)Wehadnoalternativebuttofirehim.(2)Peterisnotgoinganywhereexcepttowork.Conclusion：介词和后也可以跟不定式做宾语。butexcept3.不定式在句子做表语不定式在句子做表语(1)Myworkistocleantheroomeveryday.(2)Hisdreamistobeadoctor.Conclusion：不定式做表语常常表示主语的“职业、职责或性质”。4. 不定式在句子中做定语不定式在句子中做定语(1) I have a lot of work to do.(2) She is the first student to come to school.Conclusion：不定式放在被修饰的名词、代词的 。后面后面5.不定式在句子中做宾语补足语不定式在句子中做宾语补足语A.(1)Fatherwillnotallowustoplayonthestreet.(2)Mr.Smithencouragedustosticktotheplan.Conclusion：在下列动词后，常接带动词不定式做宾语补足语:allow,permit,encourage,forbid,promise,wish,expect,prefer,tell,ask,order,require,force,warn,instruct,consider,cause,invite,advise,persuade,get,leave等。等。B.(1)Thepolicemansawachildplayinthestreet.(2)Theteachermadethestudentsdoallthecleaningworkfortheirparentsatweekend.(3)Wenoticedastrangerourdorm.(enter)Conclusion：在下列动词后，常接做宾语补足语：let,hear,have,make,see,observe,feel,watch,notice等.enter省略省略to的不定式的不定式注意：注意：一旦将这类句子中的宾语改成主语，或者说，变为被动语态，此时的“宾语补语”就成为“主语补语”了，故不定式符号 to 不可省略。(1)Achildwasseentoplayinthestreetbythepoliceman.(2)Thestudentsweremadetodoallthecleaningworkfortheirparentsatweekend.(3)Astrangerwasnoticedourdorm.(enter)to enterC.Withsomethingtobuy,hehurriedtothesupermarket.Conclusion:with/without复合结构中，不定式复合结构中，不定式也可以做宾语补足语。也可以做宾语补足语。6. 不定式在句子做状语不定式在句子做状语(1)TolearnEnglishwell,IgetupearlytomemorizeEnglishwordseverymorning.(2)Imgladtoseeyou.(3)Heisoldenoughtogotoschool.Conclusion:不定式（短语）在句子做状语，主不定式（短语）在句子做状语，主要表目的、原因和结果等。要表目的、原因和结果等。.不定式的否定结构不定式的否定结构1.请告诉你的小孩不要在街上玩耍。Pleasetellyourchildnottoplayinthestreet.2.她检查名字为了不犯错误.Shecheckedthenamessoasnottomakemistakes.Conclusion：不定式的否定结构为：.not +不定式不定式.不定式的时态不定式的时态1.不定式的完成式不定式的完成式(1)Imsorrytohavegivenyousomuchtrouble.(2)Sheseemstohaveforgottenwhatshewaslookingfor.Conclusion：完成时表示的动作发生在谓语动词表示的动作。之前之前2.不定式的进行式(1)Heseemstobeeatingsomething.Itsnicetobesittingherewithyou.Conclusion：一般进行时表示的动作正在进行，与谓语动词表示的动作同时发生。3.不定式的完成进行式不定式的完成进行式Sheissaidtohavebeenworkingontheproblemformanyyears.据说她研究这问题有好多年了。Conclusion：完成进行时表示动作从过去开始并延续至现在。.不定式的被动式不定式的被动式1.Thenewdrugistobetested(out)on500overweightpatientsnextyear.2.Thecompanysnewcarhastobedesignedintwomonths.Conclusion:不定式的被动式由不定式的被动式由“tobe+过去分过去分词词”构成。当不定式与逻辑主语之间是被动关构成。当不定式与逻辑主语之间是被动关系时，要用不定式的被动式。系时，要用不定式的被动式。.不定式的否定结构不定式的否定结构1.请告诉你的小孩不要在街上玩耍。Pleasetellyourchildnottoplayinthestreet.2.她检查名字为了不犯错误.Shecheckedthenamessoasnottomakemistakes.Conclusion：不定式的否定结构为：.not +不定式不定式CBACABAAABB.根据汉语提示，补全下列句子。根据汉语提示，补全下列句子。1.Ithadnoeffectexcept(让她生气).2.Thequestionof(使用什么)hasnotbeendiscussed.3.Illleavehim(自己解决这个问题).4.Ihavenothing(可担忧的).to make her angrywhat to useto solve the problem himselfto worry about5.Heasked(被派往农村工作).6.(因为有两个儿子要上大学)thisautumn,hehastoworkharddayandnighttomakemoremoney.7.isdifficultforhim(向你道歉).Mydreamis(创立一家自己的公司).to be sent to work in the countrysideWith two sons to go to collegeIt to make an apology to youto set up a company of my own