四年级上册英语ppt课件 M2 现在进行时讲解外研社三起.pptx

She is reading a book.她正在读一本书。,He is taking pictures.他正在拍照。,She is watching a book.她正在看电视。,I am listening to music.我正在听音乐。,在英文中，当描述一个正在发生的动作时，我们要使用现在进行时。,现在进行时句子结构：主语+be动词+动词ing+其他.,现在分词的构成：1.直接加 ing read reading play-playing2.如果动词末尾有不发音的e,则去掉e 加 ing.take-taking make-making write-writing3.以重读闭音节结尾,且末尾只有一个辅音字母,应双写末尾字母,再加 ing.swim-swimming.4.以ie结尾，把ie变y加ing。lie-lying die-dying tie-tying,walkreadplaywatchListentakemakerunswim,walking reading playing watching listeningtakingmaking running swimming,她正在写作业。,She,主语+be动词+动词ing.,is,doing,homework.,主语+be动词+动词ing.,他正在照相。,He,is,taking,pictures.,主语+be动词+动词ing.,她正在和朋友交谈。,She,is,talking,to her friend.,他正在玩玩具火车。,He,is,playing,with a toy train.,主语+be动词+动词ing.,play football,play basketball,watch TV,play with a toy train,fly a kite,ride a bike,Hes doing homework.,Shes watching TV.,Shes reading books.,Panpan is taking pictures.,Yuanyuan is talking to her friend.,Thanks!,