现在进行时--动词-ing形式的变化规则课件

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,现在进行时,动词,-ing,形式的变化规则,(,人教精通版三年级起点五年级下册,Unit 5 Im cleaning my room.),现在进行时动词-ing 形式的变化规则(人,定义：,现在进行时表示现在正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。标志性的词语有：,now,look,listen,等。,什么是现在进行时？,定义：现在进行时表示现在正在进行或发生的动作,也可表示当前一,主语(,I,we you he she,it,they,sb,.,),+,be,动词（,am is are,）,+,动词,-,ing,形式,.,它的结构是：,主语(I we you he she it t,V-ing,变化规则：,1),直接在动词词尾加,ing.,比如,:do-doing,sleep-sleeping eat-eating,2),以不发音的字母,e,结尾,去,e,加,ing,.,比如,:come-com,ing,take-tak,ing,close-clos,ing,V-ing 变化规则：1)直接在动词词尾加 ing.,4),以,ie,结尾的动词,，变,ie,为,y,再加,ing.,比如：,l,ie,-l,ying,d,ie,-d,ying,.,3),元字母,+,辅音字母,结尾,而且是重读闭音节的单词,双写最后一个 辅音字母,+,ing,.,比,如,:sitsit,ting,swi,m,-swim,ming,ru,n,-,run,ning,4)以ie结尾的动词，变ie为y再加ing.3)元字母+辅,Exercises:,Im,(sing).,sing,ing,Exercises:Im (s,He is,(write),.,Peter,writ,ing,He is (write).Pet,He is,(swim),.,swi,mm,ing,He is (swim).,Im writing an email.,She is making a call.,My mum is washing the clothes.,She is cleaning the room.,Im writing an email.She is ma,Homework,请同学们课后多练习现在进行时的句子！,以小组的形式利用我们所学过的现在分词进行英语对话，看谁说的最好！,Homework请同学们课后多练习现在进行时的句子！,Try your best!,Come on!,Youre the best.,Try your best!Come on!Youre t,Thank you!,Thank you!,