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1、Unit 3Is this your pencil?第三课时Section A(Grammar Focus3c)一、一般疑问句本单元主要句型是:“Is this/that?”“Are these/those?”它们都是一般疑问句,他们被用来确认物主关系。Is this/that?主要用来确认单数名词的物主关系。回答为:Yes,it is.或No,it isnt.Are these/those?主要用来确认复数名词的物主关系。回答为:Yes,they are.或No,they arent.二、物主代词表示所有关系的代词称为物主代词,物主代词有形容词性物主代词和名词性物主代词。英语中主要有下面这些
2、物主代词。人称单数复数形容词性名词性形容词性名词性第一人称mymineourours第二人称youryoursyouryours第三人称hisheritshishersitstheirtheirs(注:目前已学过my,mine,your,yours,his,his,hers,her这8个物主代词,其余的我们将在后面学到。)1形容词性物主代词相当于形容词,只能用于名词前作定语。eg:my book我的书his rulers他的尺子【注意】当名词前有形容词性物主代词时,就不能再用冠词(a、an)或指示代词。2名词性物主代词具有名词的性质,可以在句中作主语、宾语和表语。名词性物主代词不能和名词连用,
3、因为名词性物主代词相当于形容词性物主代词名词。eg:Is that pen hers?那钢笔是她的吗?No.Her pen is blue.不,她的钢笔是蓝色的。【歌诀助记】物主代词两类型,一曰“名”来一曰“形”。形容词性只作定,句中运用后带“名”。名词性作主宾表,后面名词不能要。以上两点若记牢,运用时候错不了。单元语法强化训练一、用所给词的适当形式填空。1Is this _(you) book?No,it isnt _(I)2 _(he) pen is black.What about _(she)?3This is _(he) schoolbag.Is _(he) your friend?
4、4Are these _(he) pencils?Yes,theyre _(he)5Are those books _(your)?No,theyre _(she)minehers HishisyourhehisyourshishersBC二、单项选择。6.This is _ brother._ name is Tom.Ayou,HisBmy,HisCmy,Her7Is this my eraser?No,it isnt._ is here.AYour BYou CYours8Are these CDs _?No,they are not _Ayour,her Byours,mine Cyou
5、,meB9The lovely girl is from Class 6._ name is Alice.AHers BShe CHer10This isnt _ brother.Hes _Amine,yours Byour,mine Cyours,myCByour三、按要求完成句子。11That is my book.(改为一般疑问句)_that _book?12Is this her pen?(作否定回答)_,it _13This is my ruler.(改为同义句)This ruler _14Are those her books?(作肯定回答)Yes,_15Is this your dictionary?(改为陈述句)_my dictionary.Noisntis minethey areThis is Is