Unit 4 Then and now Part A.ppt

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1、Unit4NowandthenPartALet’slearndininghallgrassgymTherebe句型Therebe---的构成Therebe+某物/某人+某地表示：某地有某物或某人Therebe+sb+sw1:Thereisagirlandtwoboysinthepicture.2:Therearetwoboysandagirlinthepicture.there是个近视眼。就近原则be动词单复数形式要跟therebe之后的第一个主语保持一致，如果第一个主语是单数或不可数名词用is，如果第一个主语是复数用are。请使用There

2、be---描述下图treecatTherearethreebirdsinthetree.birdThereisacatunderthetree.Thereisacatandtwobirdsinfrontofthehouse.Therearetwobirdsandacatinfrontofthehouse.Thereisaradioonthedesk.Istherearadioonthedesk?Yes,thereis./No,thereisn’t.Therearesomeshoesunderthebed.Arethereanyshoesund

3、erthebed?Yes,thereare./No,therearen’t.Therebe---的一般疑问句规则：is/are要提前,some变any,其他都不变．isn’taren’t1.Thereisaknifeinthekitchen.否定:Thereisnotaknifeinthekitchen.2.Therearefiveapplesonthetree.否定:Therearenotfiveapplesonthetree.3.Thereissomeinkinthebottle.否定:Thereisnotanyinkinthebottl

4、e.规则：be词后面加not,some变anyTherebe句型的否定形式Therebe否定句型中的notany与no可以互换。notany强调一个都没有。Therearenotanybooksinthebag.=Therearenobooksinthebag.Therearenostudentsintheclassroom.=Therearenotanystudentsintheclassroom.Thereisnotanymilkinthebottle.=Thereisnomilkinthebottle.1.对主语提问：当主语是人的时候，

5、则用who引导，当主语是物的时候，则用what引导。注意：无论原句的主语是单数还是复数，对之提问时一般都用be的单数形式(回答时却要根据实际情况来决定)。如：Therearelotsofcarsoverthere.→What'soverthere?Thereisalittlegirlintheroom.→Whoisintheroom?Therebe句型的特殊疑问句形式2.对地点状语提问：则用where引导如：Thereisacomputeronthedesk.→Whereisthecomputer?Therearefourchildrenon

6、theplayground.→Wherearethefourchildren?3.对数量提问：一般有两种句型结构：Howmany+复数名词+arethere+介词短语？Howmuch+不可数名词+isthere+介词短语？A:Howmanybirdsarethereinthetree?B:Therearethree.A:Howmanycatsarethereinthetree?B:Thereisonlyone.用therebe来回答。1.There________manymonkeysinthemountain.2.There_______a

7、beautifulgardeninourschool.3.  There_________somewaterintheglass.4. There__________somebreadonthetable.5._________thereanymapsonthewall?6.There__________twentydesksinourclassroom.7.There__________abirdinthetree.8.There__________sometreesnearthehouse.9.________thereacupoftea

8、onthetable?10.There_________someapplejuiceintheglass.12.There______apictureandtwom