个字母,然后加ing。runningswimmingsittingshoppinggettingbeginningputting4)特殊形式的变化lie—lyingdie--dying3.动词-ing的构词规律:Heiswritingapostcard.Heisnot(=isn’t)writingapostcard.肯定句否定句一般疑问句(把be提到句首)【三种句型结构分析】注意看转换过程中的变化。Iamlyinginthesunwithmyfriends.肯定句一般疑问句(注意人称的相应变化)Ishewritingapostcard?Areyoulyinginthesunwithyourfriends?I'mwritingthepostcard.4.句型转换:在变为否定句时,be后加not。在变为一般疑问句时把be提前到句首,人称和be作相应变化。1)将下面的句子变为否定句:2)将下面的句子变为一般疑问句:3)将下面的句子变为一般疑问句:Tonyishavinglunch.I'mwritingthepostcard.I'mnotwritingthepostcard.Areyouwritingthepostcard.IsTonyhavinglunch.5.现在进行时的标志词有:Look!Listen!now,It’s-----o’clock.Nowit’s8o’clock.Whatareyoudoing?等。Whatareyoudoingnow?(你在干什么?)I’mreadingnow.(我现在正在读书。)Listen!Sheissinging.(听,她正在唱歌。)Look!Mymotheriswateringtheflowers.(看,我妈妈正在浇花。)Lookatthepicture.Saywhattheyaredoing.Tonyiscallingafriend.1
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