therebe句型的用法讲解.ppt

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1、Therebe+主语（人或物名词）+地点Thereis+名词单数或者不可数名词Thereare+名词复数结构Therebe句型表示“存在…”“有”，强调某处有某物。其中be动词有时态和单复数变化。概念treecatThereisacatunderthetree.Therearethreebirdsinthetree.birdsThereisaclockandtwoCDsonthedrawer.TherearetwoCDsandaclockonthedrawer.就近原则：be动词只能由离它最近的那个主语来决定。结构：Therebenot+主语+地点。（注意肯定句中的some变为a

2、ny。）例：Thereisabookonthebed.→Thereisn’tabookonthebed.Therearesomeorangesinherbag.→Therearen'tanyorangesinherbag.结构：Is/Arethere+主语+地点？肯定回答：Yes,thereis/are.否定回答：No,thereisn’t/aren’t.Thereisaradioonthedesk.Istherearadioonthedesk?Yes,thereis.No,thereisn’t.选择：A:are或者B:is1.There______ablackboardinth

3、eclassroom.2.There______aflagintheclassroom.3.There______lotsofdesksintheclassroom.4.There______adoorintheclassroom.5.There______manylightsintheclassroom.6.There______twofansintheclassroom.7.There______somewaterinthebottle.8.There______somechalkonthedesk.Exercise:chooseyouranswerisisisisisare

4、arearesummarytherebe句型有特点，主语跟在be后边，单数主语用is,复数用are记心间，多个主语并列时，be随身边主语变。变否定很简单，be后要把not添，变问句，也不难，把be提到there前，肯定句中用some,否定疑问any换。Thankyou