、数词、形容词、..be动词的用法Therebe句型用于不可数名词和可数名词单数之前 Thereisapenonthedesk. (过去常)atalltreehere..be动词的用法Be动词在时态中的运用在现在进行时中Wearetalking(交谈)(交谈)atthistimeyesterday..助动词助动词的几种形式do/don’tdoes/doesn’tdid/didn’twill/won’thave,haven’t/has,hasn’t/hadhadn’?Ididn’t(没)?Hehasn’t(没),doesn’the?Shehasneverbeenthere,hasshe?在倒装句中Theyhelpedthefarmers,’tvisitthefamoussinger,neitherwillhe..情态动词共同特点情态动词后面跟动词原型无论否定、疑问、倒装句、或反意疑问句都用情态动词只有时态变化,,could比can语气更委婉。CanIhelpyou?Couldyouopenthewindow?在表示有能力作某事时,could是can的过去式。..
初中英语语法动词ppt课件 来自淘豆网m.daumloan.com转载请标明出处.
