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1.照相2.观察昆虫3.采摘树叶4.做实验5.捉蝴蝶6.数昆虫7.收集树叶8.写报告9.举行野餐核心时态：结构：直接加ing去结尾不发音的e加ing双写加ingV+ing的三种形式：Be+V-ing现在进行时Sheispickingupleavesnow.Shelikesswimming.climbplantdorunswimcleanplayeathavemakegowriteingingingingingingningingminghavingmakingwritingleaf的复数形式：leaves核心时态：结构：Be+V-ing现在进行时Be的三种形式：我用am,你用are.Is跟着他，她，它。我们，你们，他们都用aream,is,are1.I_________readingabooknow.2.You________talkingnow.3.Sarah________flyingkitesnow.4.He_________drawingpicturesnow.5.LucyandLily___sleepingnow.6.We__________havingmathclass.7.You______cleaningtheroom.8.They____listeningtomusic.amareisisareareareareSarahisdoinganexperiment.ZhangPengistakingpictures.Amyispickingupleaves.IsSarahdoinganexperiment?Yes,sheis./No,sheisn’t.IsZhangPengtakingpictures?IsAmypickingupleaves?Yes,heis./No,heisn’t.Yes,sheis./No,sheisn’t.1.Theyarecatchingbutterflies.2.Weareeatinglunch.3.Sheiscountinginsects.4.He’splayingchess.5.Sarshiscatchingbutterflies.改成一般疑问句，并做肯定和否定回答。Talkaboutpictures.Talkaboutpictures.AB1.Whatisyourgrandpadoing?A.She'sdrawing.B.He'sreadingthenewspaper.C.Grandmaisdoingthedishes.2.Sheis_______.A.swimingB.walkC.running3._____youdoing?I’mansweringthephones.A.WhatdoB.WhyareC.Whatare4.---____isZhangPeng?---He’sinthewoods.A.WhatB.WhereC.Who5.I______abooknow.A.readingB.amreadngC.amreading6.Aretheycatchingbutterflies?A.Yes,theyare.B.No,theycan’t.()1.WhatisSarahdoing?()2.AreZhangPengandJohnplayingchess?()3.IsAmypickingupleaves?()4.WhereisMike?()5.Areyoueatinglunch?A.Yes,weare.B.Yes,sheis.C.He’sinthewoods.D.Yes,theyare.E.She’scatchingbutterflies.E.D.B.C.A.1.watching,I’m,classmates,my,(.)2.together,are,they,playing,(.)3.a,is,she,writing,report,(.)4.picking,they,are,leaves,up(.)5.he,doing,what,is(?)6.is,insects,she,counting(.)连词成句：