肯定句be+v.ing1.Dad___________(play)acomputergames.2.TonyandHarry___________(sit)onthefloor.3.She___________(make)acakenow.4.We___________(play)hideandseek.5.I___________(row)aboat.否定句be+not1.1.Myclassmates__________________(notplaychess).2.2.Iam___________(notreadbooks).3.3.Theduck____________(notswim)inthepond.4.4.We_______________(notfeed)theducks.5.5.Hismother___________(notwater)theflowers.一般疑问句把BE提前,第一人称Iwe改成第二人称you1.1.Sheiseatingchips.肯定回答___________________________________________________.2.2.Weareplayingclappinggames.否定回答___________________________________________________.3.3.Heiswateringthetrees.肯定回答___________________________________________________.4.4.Youarereadinganewspaper.否定回答___________________________________________________.5.5.Therabbitsarejumping.肯定回答___________________________________________________.6.6.Iamclimbingthetree.否定回答___________________________________________________.对进行的动作提问(对划线部分提问)1.1.Sheiseatingchips.2.2.Weareplayingclappinggames.3.3.Heiswateringthetrees.1.4.Iamclimbingthetree.4.5.Therabbitsarejumping.5.6.Thebirdisflyinginthesky.