初一动词-ing形式的变化规则及习题.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,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句式结构：,主语+,be(am/is/are),+,v.,-,ing(现在分词),Im=I am Hes=He is,Whats=What is Shes=She is,Grammar,v.,-ing 变化规则：,1)一般加,-,ing,例如:playplaying,watchwatching,2)以不发音的e 结尾,去e 加,-,ing,例如:take,taking,come,coming,3)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:run,running,swim,swimming,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,(),jump,ing,climb,ing,runn,ing,shopp,ing,putt,ing,mak,ing,skat,ing,sleep,ing,fight,ing,swimm,ing,gett,ing,writ,ing,play,ing,watch,ing,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+其他二)现在进行时的时间状语及标志性词,(1)now现在,(2)at this time在这时,(3)at the moment现在,(4)look看(常用于句首),(5)listen听(常用于句首),【学以致用】,用所给动词的适当形式填空,1.My parents_(watch)TV in the living room now.,2.Dont talk.My little brother_(sleep)in the next room.,3.Listen,some girls_(sing)in the music room.,4.Be quiet,please.They_(study)for the test.,5.He often_(go)to school at seven in the morning.,答案:,1.are watching2.is sleeping3.are singing,4.are studying5.goes,【基础达标】,.选择方框内的词并用其适当形式填空,read,wash,play,eat,drink,1.Look!The girl is_ a book over there.,2.What is your brother doing?,He is_ a hamburger at the table.,3.Does your father_ tea every day?,Yes,he does.,4.Do you like_ clothes at home,Susan?,No,but I have to.,5.A lot of boys_ basketball on the playground now.,答案:,1.reading2.eating3.drink4.washing5.are playing,.完成句子,1.妈妈正在洗衣服。

My mother_ _ _.,2.你的叔叔正在喝茶吗?,_your uncle_ tea?,3.让我们8点去钓鱼吧go fishing_ eight oclock.,答案:,1.is washing clothes2.Is;drinking3.Lets;at,4.你的朋友们正在干什么?,_ _your friends_?,5.你经常出去吃饭吗?,_you often_ _?,答案:,4.What are;doing5.Do;eat out,。