七年级英语上册Unit2Thisismysister语法专项突破课件人教新目标版.ppt

语法专项突破,.指示代词this,that,these,those表示“这个;这些”“那个;那些”等指示概念的词,叫指示代词。this,that,these,those是英语中四个最基本、最常用的指示代词。前两个常用来指代名词单数,后两个常用来指代名词复数。1.this,that,these,those基本用法语境领悟Isthis/thatyourdog?这/那是你的狗吗?No,itisnt.不,不是。/Yes,itis.是的,它是。Arethese/thoseyourbrothers?这/那些是你的哥哥们吗?Yes,theyare.是的,他们是。,自主归纳研读以上例句可知:“Isthis/thatyour.?”用于询问“这/那是你的吗?”是一般疑问句,它的肯定回答为:,;否定回答是“No,itisnt.”;“Arethese/thoseyour.?”用于询问“这/那些是你的吗?”也是一般疑问句,它的肯定答语为“Yes,theyare.”;否定答语为“,.”。指示代词作主语并用于问句中时,回答一般用代替this和that,they代替these和those。,Yes,theyare.作简单答语时不可以缩写成“Yes,theyre.”。,Yes,No,itis,theyarent,it,2.给某人介绍第三者语境领悟Mom,thisisDanny.妈妈,这是丹尼。Tom,thisismyfriendMary.汤姆,这是我的朋友玛丽。自主归纳研读以上例句可知,把某人介绍给第三者时,常用“.”句型,不用“Thatis.”或“She/Heis.”。拓展引申打电话向对方介绍自己时,要用“Thisis.”;询问对方是谁时,用“Whosthat?”或“Isthat.?”。,Thisis,学以致用用this,that,it,these,those,they填空(1)Isyourpen?No,isnt.isherpen.(2)Whatare?arebooks.(3)Whatareoverthere?Theyareoranges.,this/that,it,It,these/those,They,those,.人称代词人称代词分为主格(I,you,he,she,it,we,you,they)和宾格(me,you,him,her,it,us,you,them)两种形式,主格作主语,宾格作宾语或表语。1.人称代词的格与数,me,us,you,you,him,her,it,them,2.be配对人称代词语境领悟Iamyourfriend.我是你的朋友。Youaremyfriend.你是我的朋友。She/Heismyteacher.她/他是我的老师。Itisabook.它是一本书。They/We/YouarefromLondon.他们/我们/你们来自伦敦。自主归纳研读以上例句可知,人称代词与be的搭配情况如下:,am,are,is,are,学以致用用am,is,are填空(4)Wegoodfriends.(5)Iastudent.(6)HefromShanghai.,are,am,is,.用be动词的适当形式填空1.TheyfromTianjin.2.Sheabeautifulgirl.3.SheandIstudents.4.Wetheirfriends.5.Heagoodboy.,are,is,are,are,is,.选词填空,Imehimhetheythemmy,1.amamiddleschoolstudent.2.aremygoodfriends.3.isacleverboy.4.Heisinhospital.Youshould(应该)gotosee.5.Theyareoverthere.Youcangoto