文档介绍：语法专题现在进行时现在进行时?现在进行时表示现在(即说话人说话的时刻) 正在进行的动作或正在发生的事情,现在进行时的标志性词语有 now, look, at the moment, listen 等?现在进行时的基本构成: 主语+be 动词+现在分词 Eg: draw are ing They pictures. 现在进行时现在分词的构成规则: 1. 一般在动词词尾加- ing , 如: read-reading 2. 以不发音 e 结尾,去 e 加- ing , 如: write-writing 3. 以重读闭音节结尾的动词,末尾只有一个辅音字母, 应先双写这一字母,再加- ing 。 Eg : swim-swim m ing run-run n ing cut-cut t ing shop-shop p ing sit-sit t ing ?特殊变化: lie-lying 平躺, die-dying 死亡现在进行时现在进行时的句式: —主语+be+doing Eg: I am doing my homework. —主语+be+ not +doing Eg: I am not doing my homework. —be提到句首(注意人称变化) Eg: Are you doing your homework? 现在进行时下面的动词不用现在进行时: : want ; mind ; wish ; recognize ; think ; know ; understand ; hate ; depend on : remain ; stand 现在进行时 : see ; hear ; notice ; smell : have ; possess ; own ; consist of : accept ; allow ; decide ; promise 现在进行时 What is he doing? He is writing . What is she doing? She is reading . 现在进行时 What are you doing? I am running. 现在进行时 What is he doing? He is puter. 现在进行时 What is he doing? He is playing basketball.