会计学stand站立(zhànlì)I’mstanding.（我正站着。）stand----standingsit坐着I’msitting.（我正坐(zhènɡzuò)着。）sit----sittingrun跑I’mrunning.（我正跑着。）run---runningjump跳I’mjumping.（我正跳着。）jump---jumpingWhatareyoudoing?你在干什么？Whatareyoudoing?你在干什么？I’msitting.我在坐着。A:Whatareyoudoing?B:I’m…现在分词形式变化多，有的尾部(wěibù)去掉e,有的尾部(wěibù)双写，别忘加上-ing。Whatishedoing?Whatisshedoing?AskandanswerRunning,running,IlikerunningJogging,jogging,Ilikejogging..Swimming,swimming,Ilikeswimming.Climbing,climbing,Ilikeclimbing.Fishing,fishing,IlikefishingSkating,skating,Ilikeskating.Skiing,skiing,Ilikeskiing.B:Hello,MrTortoise.T:Hello,MissBird.B:?T:I’mrunning.B:Oh,where’sMrRabbit?T:He’sunderthetree.B:Whatishedoing?T:He’s.B:Comeon!You’llwin.T:Thankyou.Homework