资源描述：
《2012 下学期 非谓语性动词.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、不定式-ing形式非谓语动词不定式不定式或不定式短语具有名词，形容词，和副词的性质，因而可以在句中作主语，宾语，表语，定语，和状语考点1动词不定式可作主语，但常用形式主语结构1）ToknowsthaboutEnglishisnottoknowEnglish2）Tomakehimchangehismindishard=Itishardtomakehimchangehismind.很难让他改变主意。2一致原则TodoAistodoB---------DoingAisDoingB3：使役动词六看二听一感觉，另加make,have与let在make（使）,h
2、ave（使，叫）,let（让）等使役动词后；在see（看）,watch（观看）,lookat（看）,observe（观察，看见）,perceive（看见）,notice（发现，注意)feel（感觉）,hear（听）,listento（听...）,等后面省去动词不定式符号“to”ProfessorBlackhadus______compositionseveryFriday.a.towriteb.writtenc.writed.wrote由主动语态改为被动语态，不定式符号to此时一般不能省ChewasseentokillthegirlHemademek
3、illthegile=Iwasmadetokill…Youcanfindmanypeople___________________________(seat/sit)underthetalltree,_____(play)chessandmanychildren________(dress)inbeautifulclothes___________(surround)themSeatvt.-----sbseatoneself+地点sbbeseated+地点sitvi___sbsit+地点SbdressoneselfinclothesSbbedress
4、edinclothesseated/seatingthemselves/sittingplayingdressedSurrounding4用to+do，inordertodo或soastodo引起不定式短语表示目的，结果，原因1）其否定为Nottodo/inordernottodo/soasnottodo2)Soasto不能提句首,todo/inorderto可以3)onlyto常表事与愿违的结果4)beadj/adv.enoughtodo足够…能做…beso+adj/adv.astodo如此…以致betoo+adj/adv.todo太…而不能…(但
5、表心里专态的adj、adv表肯定：I’mtooglad/eager/happytogothere)EghewassocarelessastoforgettolockthedoorheisoldenoughtodothatheistoooldtodothatGraceadvisedustowithdraw______.soastogetnotinvolvedsonotastogetinvolvedc.soasnottogetinvolvedd.sothatnottoinvolveCHehurriedtothestation,__thetrainhadg
6、oneAtotellBtobetellingConlytobetoldDtellCTheywere______togoanyfurther.toofrightenedb.asfrightenedasc.sofrightenedasd.toofrightenedforA5疑问词常加动词不定式：a)构成：what,which,how,when,where等疑问代词或疑问副词，后面几个一个动词不定式或动词不定式短语。而常不用doingb)作用：按所作的句子成分来说，在句子中一般可以作主语，宾语和表语。1Howtosavethechildisimportan
7、ttous.(作主语)2Idon’tknowwhattodonext.（作宾语）3Theproblemiswhentostart.(作表语)；c“疑问词+动词不定式”结构可以改写成由该疑问词引导的从句，从句所作的句子成分不变。如:Idon’tknow__________AhowtodoBwhatdoingCwhattodoDhowdoingit=Idon’tknowwhatIshoulddo.C6含有序数词或最高级的词常用不定式作定语Thefirsttogooutisthelastonetogetthenews7一般情况下，句子的主语也是不定式的逻辑
8、主语，要注意它们的一致。TolearntospeakEnglishwell,______.muchpract
