1.Therebe句型表示：在某地有某物（或某人）例：Thereisacatunderthetree.树底下有一只猫。Therearetwostudentsintheclassroom.教室里有两个学生。2.结构：a.Thereis+单数可数名词\不可数名词Thereisabookonthedesk.桌子上有一本书。Thereissomewaterinthebottle.瓶子里有些水。b.Thereare+复数名词Therearesomepicturesonthewall.墙上有些图画。Therearetwoapplesinthebasket.篮子里有两个苹果。在therebe句型中主语是单数，be动词用is；主语是复数，be动词用are。若句子中有几个并列主语时，be动词的形式要与离其最近的一个主语在人称和数上保持一致。例：1.Thereisagirlandtwoboysunderthetree.2.Therearetwoboysandagirlunderthetree.Therebe句型的否定句和一般疑问句否定句：在be动词后加not.如果句中有some，一般要变成any.Therearetwobooksonthedesk.Therearen’ttwobooksonthedesk.Thereissomebreadintheplate.Thereisn’tanybreadintheplate.一般疑问句：be动词(is,are)要提到句首。some变any，其他都不变Thereisamouseinthehouse.(变成一般疑问句）Isthereamouseinthehouse?Therearesomeflowersinthegarden.(变成一般疑问句）Arethereanyflowersinthegarden?对Therebe结构中的主语提问的特殊疑问句的基本结构：What’s+介词短语（介词+地点名词）+？中间通常不用there.Thereisabikeunderthetree.What’sunderthetree?Therearemanybooksonthetable.What’sonthetable?1.There_____twocarsinfrontofthehouse.A.areB.haveC.hasD.is2.There______somewaterinthebottle.A.hasB.isC.haveD.areAB练习二、用恰当的be动词填空。1、There_______alotofsweetsinthebox.2、There_______somemilkintheglass.3、There_______somepeopleunderthethebigtree.4、There_______apictureandamaponthewall.isareisare5、There_______aboxofrubbersnearthebooks.6、There_______lotsofflowersinourgardenlastyear.7、There_______atinofchickenbehindthefridgeyesterday.8、There_______fourcupsofcoffeeonthetable.arewaswereis
