初中英语现在进行时(共29张PPT)

现在进行时 We are having a class. We are having an English class. What are you doing now? What class are you having now? 现在进行时 现在进行时 一、概念： 现在进行时表示现在（说话瞬间）正在进行或发生的动作。常与时间状语now, 等连用。在Look!，Listen!之后的句子也常用现在进行时。 I am standing now. You are listening to me. He is watching TV now. * 即: am is ＋ 动词的-ing are 二、现在进行时的构成： 助动词be (am, is, are)+现在分词 1、一般情况下，在动词词尾加-ing。 go doing talking watching playing reading looking 三、现在分词的构成： Practice ing going do talk watch play read look 2、以不发音字母e结尾的动词，先去掉 e，再加-ing。 come have write ride live drive make Practice ing coming having writing riding living driving making 3、以重读闭音节结尾的动词，如果末尾只有一个辅音字母，应先双写这个辅音字母，再加-ing。 即： 1) 动词末尾只有一个辅音字母（除w, x, y外）； 2) 末尾辅音字母前面只有一个元音字母; 3) 重音在最后音节上。 首先双写末尾这个辅音字母，再加-ing。 swim beginning sitting letting running getting putting Practice m ing swimming begin sit let run get put Write down the v.-ing forms of the ve