ThereBe句型have/has知识精讲一、定义★ThereBe句型表示某处存在某物/某人。如:Thereisabookonthedesk.翻译:书桌上有一本书。二、句型结构◆1>Thereis+可数名词单数/不可数名词+其它.◆2>Thereare+可数名词复数+其它.即:Be动词要与后面名词的数保持一致。如:Thereisamaponthewall.Therearetwomapsonthewall.◆3>当句中有两个或两个以上的名词时,Be动词要与跟它最靠近的名词的数保持一致,称为就近原则。如:Therearetwoboy...
Be是一个多功能动词,在初级英语里可见四种用法:功能一,系动词BeBe为连系动词,中心词义是是,句型为主+系+表结构。Be的形式常用am,is,are(现在式);was,were(过去式);will/can/may/mustBe(助动词/情态动词+原形);have/has/hadBeen(助动词+过去分词)等。如:Tohelpanimalsishelpingpeople.(一般现在时)Thetwinswereverybusyyesterday.(一般过去时)ItwillBesunnytomorrow.(一般将来时)ShehasBeenillforoveraweek.(现在完成时)功...
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