Unit5I’mcleaningmyroom.Lesson29课件1.Iamwateringtheflowers.(否定句)2.She’sopeningtheboxnow.(一般疑问句)Iamnotwateringtheflowers.Issheopeningtheboxnow?Ⅳ.句型转换3.Theboysareplayingcards.(划线提问)4.Heisdoinghishomework.(复数句)Whataretheboysdoing?Theyaredoingtheirhomework.4.现在进行时由be(am/is/are)+动词-ing形式构成。肯定式结构:主语+be+动词-ing形式+其他否定式结构:主语+be+not+动词-ing形式+其一般疑问句结构:Be+主语+动词-ing形式+一般在动词原形后+inggoaskgoingasking以不发音的e结尾的,去e,+ingwritetakeclosewritingtakingclosing重读闭音节以一个辅音字母结尾的，双写这一字母+inggetrunswimputgettingrunningswimmingputting动词-ing形式的构成Talkaboutyourownphotoswithyourpartnerandwriteashortpassageaboutoneofyourphotos.Homework
