【文档说明】剑桥英语（Join in）四年级下册《Unit 6 Holidays》PPT课件1 (共19页).ppt，共(19)页，3.266 MB，由小喜鸽上传

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Unit6Holidayswalk,walk,I’mwalking.run,run,I’mrunning.jump,jump,I’mjumping.dance,dance,I’mdancing.Let’schant!Whatismumd

oing?Whatisdaddoing?Whataretheydoing?---Whatishedoing?---HeiswatchingTV.--Whatisshedoing?--Sheisdoinghomework.现在进行时：第

三人称单数句子结构：谁+is/are/am+V-ing.--Heiswatchingacartoon.--Sheisdoinghomework.提问：--Whatishe/shedoing?--Sheisdrawi

ngapicture.OO’A--Whatisshedoing?--Sheisreadingabook.--Whatisshedoing?--Heishavingdinner.--Whatishedo

ing?--Heisplayingfootball.--Whatishedoing?--Heisrunning.--Whatishedoing?--Heisswimming.--Whatishedoing?--Whatisshedoing?--Sheiscookingdinner.

---Shetheflowers.iswatering--Whatisshedoing?动词现在分词(ing形式）的变化规则1.一般情况下直接在动词后加ingEg:draw---drawingread-

--readingcook---cooking2.以不发音的字母e结尾的单词,去掉字母e，再加ingEg:write---writinghave---havingmake--making3.以重读闭音节（重读闭音节即两个辅音中间夹一个元音并且重读的音节）结尾，呈现“辅，元，辅”

结构的动词，双写末尾的辅音字母，再加ingsit---sittingrun---runningswim--swimmingＡ：Whatisshe/hedoing?Ｂ：She/Heiscooking/…Ja

ckMr.BlackJimmyTomJohnAliceMissLiJeanWhatareyoudoingnow?Thankyou!