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五年级上册第一、二单元语法therebe句型专项讲解therebe句型的基本结构为:There+be(is,are)+主语+地点状语(在……地方)。意思是:在某个地方有某人或某物。1、肯定句形式为:is﹢可数名词单数/不可数名词﹢地点状语Thereare﹢可数名词复数﹢地点状语例:There(be)somemilkintheglass.There(be)someapplesinthetree.There(be)abookonthedesk.There(be)alotofbooksonthedesk.There(be)apairofshoesunderthebed.2、肯定句改为否定句分两步:1)在be(is/are)动词后加not。即:is改为isnot(isn’t);are改为arenot(aren’t)2)若句子中有some一定要改为any,其他内容不变。例一:Thereisadoginfrontofthehouse。(改为否定句)Thereadoginfrontofthehouse。例二:Therearesomedogsinfrontofthehouse。(改为否定句)Theredogsinfrontofthehouse。练习:Therearesomebuildingsintheschool.(改为否定句)Therebuildingsintheschool.★therebe就近原则:如果therebe句型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数上保持一致。例:There____(be)apieandtwohamburgersontheplate.There_______(be)twohamburgersandapieontheplate.There(be)somemilkandapplesinthefridge.There(be)someapplesandmilkinthefridge.3、therebe句型的一般疑问句修改步骤(五步):(1)找出be动词(is,am,are)。(2)将be动词(is,am,are)提前。(3)有some变为any。(4)第一人称变为第二人称:I/we→you;my/our→your;me/us→you(5)句号变问号(?),肯定回答用:Yes,thereis/are.否定回答用:No,thereisn’t/aren’t.例:Therearesomegirlsintheroom.(改为一般疑问句,并作肯定回答与否定回答)Arethereanygirlsintheroom?Yes,thereare./No,therearen’t.练习:1)Thereisanappleonthetable.(改为一般疑问句,并作肯定回答与否定回答)2)Thereissomemilkinthebottle.(改为一般疑问句,并作肯定回答与否定回答)4、特殊疑问句形式1)、对主语提问。①对“人”提问,用Whois…?/Who’s…?如:Thereisaboyintheplayground.(对划线部分提问)Whoisintheplayground?或Who’sintheplayground?Therearesomeboysintheplayground.(对划线部分提问)Whoisintheplayground?或Who’sintheplayground?②对“物“提问,用What’s…?/Whatis…?如:Thereisabirdinthetree.(对划线部分提问)What’sinthetree?或Whatisinthetree?Therearesomebirdsinthetree.(对划线部分提问)What’sinthetree?或Whatisinthetree?注意:无论原句的主语是单数还是复数,对其提问一般都是用be动词的单数形式,但回答却要看实际情况。练习:Therearesomeflowersintheschool.(对划线部分提问)intheschool?2)对地点状语提问,用Whereis/are+主语?如:Thereisabirdinthetree.(对划线部分提问)Whereisthebird?或Where’sthebird?Therearesomebirdsinthetree.(对划线部分提问)Wherearethebird?练习:Thereisaboyintheplayground.(对划线部分提问)theboy?Therearesomeboysintheplayground.(对划线部分提问)theboys?3)对数量的提问:①对可数名词数量的提问,用Howmany+可数名词复数+arethere+地点状语?Therearetwobirdsinthetree.(对划线部分提问)Howmanybirdsarethereinthetree?练习:Thereisabirdinthetree.(对划线部分提问)inthetree?Therearesomeboysintheclassroom.(对划线部分提问)intheclassroom?②对不可数名词量的提问用Howmuch+不可数名词+isthere+地点状语?Thereissomemilkinthefridge.(对划线部分提问)Howmuchmilkisthereinthefridge?5.语法讲解未完待续小试牛刀:1.翻译:我的课桌上有一本书。(改为否定句):2.Therearesomedollsonmybed.(改为一般疑问句,并作否定回答)3.Thereissomemilkintheglass.(对划线部分提问)4.Therearesomebooksinmybedroom.(对划线部分提问)5.Thereissomemilkintheglass.(对划线部分提问)
本文标题:五年级上册-there-be-句型专项讲解
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