is-- am-- are-- do-- go-- underpay--become-- die-- have-- wear-- leave--meet-- can-- teach-- take-- swim--ride-- say-- see-- hold--

DOES DO和IS ARE AM用来提问什么句式? 请问am.is.are.和do.does.分别怎么用? 英语中is am are do does的用法是? 什么时候用do does什么时候用is am are am is are do哪个是不同类的词 is am are do,哪些是不同类单词 急（填空题用do does am is are） am is are 过去式 是am is are am is are. 用am,is,are am、is、are、 用am,is,are is am are is/am/are going to do 和wil/do用法完全一样吗? 一般将来时的基本结构是:am/is/are/going to+do.那am/is/are/going to在这充当什么角色?do呢? 英语中am,are,is,was,were,there is,there are,has,have,does,do 的主语是什么? do,does,come,go,are,eat,buy,is,am,have,give,drop,play,run过去式