文本内容:
动词不定式教案仁寿县视高镇钢铁初级中学廖惠教学目的要求学生了解并掌握非谓语动词一一动词不定式的基本用法教学方法通过ppt.展示,逐一讲解动词不定式作主语、表语、宾语•、宾补、状语•、定语及其否定形式,以及和疑问词连用教学步骤
一、动词不定式.基本构成to+动词原形,其否定形式not/nevertodosth..基本用法它在句中除了不能作谓语动词,其他成分都可以,没有人称和数的变化
二、不定式的句法功能.动词不定式作主语动词不定式作主语时,常用it作形式主语,而将真正的主语一一动词不定式后置如TolearnEnglishwellisuseful.=ItisusefultolearnEnglishwell.Itsnecessarytotalkwithhismother.Itskindofyoutohelpus.总结ltzs+adj.+of/forsb.todosth..动词不定式作表语动词不定式作表语,常说明主语的内容、性质、特征如Thefirstthingistogreeteachother.Mydreamistogetgoodgrades.ThebestwaytoimproveEnglishistojoinanEnglishclub..动词不定式作宾语1不定式用在及物动词后作宾语,常见的vt.有begindecideexpectforgetlearnhopewishplanrefusewantagreelike等如Iwanttoplaybasketballthisafternoon.Hehasdecidedtostudyhard.⑵在findthinkbelievefeel后跟不定式作宾语时,常用it代替,而将真正的宾语放在后面如IfinditveryeasytoreadEnglisheveryday..不定式作宾补⑴tellaskallowencourageexpectwarninviteorder等后面常跟动词不定式作宾语补足语如MymotherencouragesmetolearnJapanese.Tomaskedmetoplaysoccer.⑵一些使役动词和感官动词后的宾补要省略to这些动词有一感feel、二听hearlistento、三让letmakehave、四看lookatseewatchnotice但变被动语态时必须加上to如Jackmademybrothercry.Mybrotherwasmadetocry..动词不定式作定语1不定式有时起形容词的作用,修饰名词、代词,在句中充当定语不定式作定语时,它的位置是在它所修饰的名词或代词之后如Hewasthefirsttocometotheclassroom.⑵如果不定式是vi或者不定式所修饰的名词或代词是不定式的地点、工具等,不定式后面就应有必要的介词如Iwantsomepapertowriteon.⑶不定式修饰不定代词时,放在不定代词之后如Haveyougotanythingtobuy.动词不定式作状语不定式放在vi.后表目的,也可放在某些形容词后作状语如HewenttoAmericatolearnEnglish.Theysleeptogethertokeepwarm.Imgladtoseeyouagain..疑问词+动词不定式不定式可以和疑问词连用构成不定式短语,在句中充当主语、宾语、表语等成分如Whattodoisveryimportant.Idontknowwheretogo.Thequestioniswhentostart..动词不定式的否定不定式的否定为not/never+todosth.如Sheaskedmenottoswiminthesea.Theteachertellsusnevertoreadthebook.Exercises expectedgetbettergrades.Hefoundithardcatchupwithotherclassmates.Myfatherneedsapenwritewith.Theteacheraskedusnotbelateagain.Itisdifficultforusarriveatthatisland.Thelittleboyoftenmakesuslaugh.Mydutyiscleantheblackboard.Theycametothehospitalseemygrandma.。