八年级语法一般过去式和不定式讲解.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,八年级语法一般过去式和不定式讲解,八年级语法一般过去式和不定式讲解八年级语法一般过去式和不定式讲解,Whatdidyoudo,yesterday,?,ImetLinTao,thismorning,.,Iwasthere,amomentago,.,2,Be,动词,在一般过去时中的变化：,am,和,is,变为,was,。（,was not=wasnt,）,are,变为,were,。（,were not=werent,）,否定句在,was,或,were,后加,not,，,一般疑问句把,was,或,were,调到句首。,3,句中没有,be,动词的一般过去时的句子,肯定句：,Jim,went,home yesterday.,否定句：,didnt+,动词原形，,Jim,didnt go,home yesterday.,一般疑问句：在句首加,did,，句子中的动词过去式变回原形。,Did,Jim,go,home yesterday?,4,动词过去式变化规则：,1,一般在动词末尾加,-ed,look-looked,ask-asked,2,结尾是,e,加,d,taste-tasted,3,末尾是辅音字母加一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加,-ed,stop-stopped,4,以“辅音字母,+y”,结尾的，变,y,为,i,，再加,-ed,study-studied,5,不规则动词过去式：,5,6,be,go,look,taste,study,see,get,walk,7,Grammar ,不定代词,some,any,no,every,分别加上,-thing,-one,-body,构成的不定代词叫做合成不定代词；,something,nothing,anyone,someone,everyone,anywhere,加上,-where,构成副词。,8,（,1,）合成不定代词在句中可以作主语，宾语或表语等。,Nobody,will listen to him.,He wants,something,to eat.,（,2,）,不定代词作主语时，谓语动词要用单数。,Everybody,like,s,reading.,There,is,nothing,wrong with the TV.,9,（,3,）,some-,不定代词，通常用于肯定句中；,Someone,is calling me.,any-,不定代词则多用于否定句、疑问句中。,There isnt,anyone,else there.,Is,anybody,over there?,但,some-,可用于表请求、邀请、预料对方会作肯定回答时的疑问句中。,Could you give me,something,to eat?,10,（,4,）,形容词修饰不定代词时，通常要放在不定代词之后。,There is,something,delicious,on the table.,（,5,）,somewhere,anywhere,nowhere,everywhere,用作副词。,Flowers come out,everywhere,.,11,巩固练习：,用不定代词或不定副词填空：,1.I cant hear anything=I can hear _.,2.There is _ on the floor.Please pick it up.,3.Did _ go to play basketball with you?,4.I phoned you last night,but _ answered it.,5.Maybe _ put my pencil _.,I cant find it _.,12,单选,1.No one _ how to do it.,A.know B.knows C.knowing D.knew,2.Everything_OK,isnt it?,A.was B.are C.and D.is,3.Theres_in the newspaper.You should read it.,A.important something B.something boring,C.boring something D.something important.,13,谢谢,