完成将来进行时.ppt

What’s he doing ? He is eating watermelon. What’s he doing ? He is riding a horse. What’s he doing ? He is running. What’s he doing ? He is playing table tennis. What are they doing ? They are dancing. What’s he doing ? He is playing the piano. What’s he doing ? He is playing football. What are they doing ? They are drinking. What’s he doing ? He is singing. What’s he doing ? He is swimming. 现在进行时（The Present Continuous Tense） 定义：现在进行时态表示现在（说话瞬间）正在进行 或发生的动作。如 The students are listening to the teacher. He is watching TV now. 现在进行时态还可以表示当前一段时间内的活动或现 阶段正在进行的动作。如 We are working on a farm these days . I am writing a book this year. 2.句型结构： be(am/is/are)+动词-ing be (am is are)随着人称、数的变化而变化。 肯定句结构：主语+be+动词-ing形式+其他. He is watching TV now. 否定句结构：主语+be+not+动词-ing形式+其他. He isnt watching TV now. 一般疑问句结构：be+主语+动词-ing形式+其他？ Is he watching TV now. 特殊疑问句结构：疑问词+be+主语+其他？ Who is watching TV now? Lucy and Lily doing their homework. I singing in the washroom. They playing football . She enjoying her visit. Tony buying some fruits. 用be (is, am , are )动词的适当形式填空 be动词用法口诀：I用am，you用are, is用于他、她、它，单数is复数are is are am are is 现在分词的基本形式你知道吗？ 那么简单，谁不知道,是由动词末尾加 -ing 形式构成，因此又叫动词的 -ing 形式。V+-ing 动词现在分词(V-ing)构成: 1.一般在动词原型后加ing 如:read--reading drink--drinking eat--eating 　 listen--- listening　 jump---jumping ; 　 2.以不发音e结尾的动词，去掉e再加ing 如: write ---writing 　make--- making 　 ride---riding 　 take---taking 3.以辅音字母+元音字母+辅音字母(辅元辅）结尾的重读闭音节结尾的动词，双写末尾的辅音字母再加ing　 例如: sit---sitting swim---swimming 　 put--- putting run--- running get----getting 4.特殊变化：lie—lying die---dying go-- call— read-- write— take-- come— sing-- play— open-- close-- shop-