精选优质文档-倾情为你奉上现在进行时的语法一.概念:表达现在正在做某事。(标志词:now 现在, look 看, listen 听, at present 目前at the moment 此刻,right now 立刻二基本结构:a.肯定句: 主语+be(即am is are) +v-ing+其它. 如: I am reading a book.b.否定句:直接在be后加not. 如:I am writing. I am not writing.c.一般疑问句及回答:问句,直接把be提前,肯定回答:Yes,主语 +be 否定回答: No,主语+be+not -Are you drawing ?-Yes,I am./No, Im not三、规则动词变化规律:一般情况下,动词后直接加ingworking, buying, visiting, talking, saying以不发音e结尾动词,去掉e,然后加ingtaking, having, using, drivi