初一动词--ing形式的变化规则及习题PPT课件

.,1,定义：,现在进行时表示现在（说话瞬间）正在进行或发生的动作。,Im=IamHes=HeisWhats=WhatisShes=Sheis,Grammar,.,2,v.-ing变化规则：1)一般加-ing例如:playplayingwatchwatching2)以不发音的e结尾,去e加-ing例如:taketakingcomecoming3)元音+辅音结尾,且是重读闭音节的单词,双写辅音字母加-ing例如:runrunningswimswimming,.,3,小练习,写出下列动词的ing形式.jump()sleep()climb()fight()run()swim()shop()get()put()write()make()play()skate()watch(),jumping,climbing,running,shopping,putting,making,skating,sleeping,fighting,swimming,getting,writing,playing,watching,.,4,2.现在进行时的构成。现在进行时的构成:be+动词的-ing形式。肯定句:主语+be+动词的-ing形式+其他。否定句:主语+be+not+动词的-ing形式+其他。一般疑问句:Be+主语+动词的-ing形式+其他。特殊疑问句:特殊疑问词+be+主语+动词的-ing形式+其他。,.,5,(二)现在进行时的时间状语及标志性词(1)now现在(2)atthistime在这时(3)atthemoment现在(4)look看(常用于句首)(5)listen听(常用于句首),.,6,【学以致用】用所给动词的适当形式填空1.Myparents_(watch)TVinthelivingroomnow.2.Donttalk.Mylittlebrother_(sleep)inthenextroom.3.Listen,somegirls_(sing)inthemusicroom.4.Bequiet,please.They_(study)forthetest.5.Heoften_(go)toschoolatseveninthemorning.答案:1.arewatching2.issleeping3.aresinging4.arestudying5.goes,.,7,【基础达标】.选择方框内的词并用其适当形式填空read,wash,play,eat,drink1.Look!Thegirlis_abookoverthere.2.Whatisyourbrotherdoing?Heis_ahamburgeratthetable.3.Doesyourfather_teaeveryday?Yes,hedoes.4.Doyoulike_clothesathome,Susan?No,butIhaveto.5.Alotofboys_basketballontheplaygroundnow.答案:1.reading2.eating3.drink4.washing5.areplaying,.,8,.完成句子1.妈妈正在洗衣服。Mymother_.2.你的叔叔正在喝茶吗?_youruncle_tea?3.让我们8点去钓鱼吧。_gofishing_eightoclock.答案:1.iswashingclothes2.Is;drinking3.Lets;at,.,9,4.你的