2020春四年级英语下册 Unit 6 Holidays课件5 剑桥版

whatareyoudoing?,hesdoinghomework.,hesplayingfootball.,heswritingontheblackboard.,theyrehavingaclass.,now,1）v.+ing，读i。如gogoingcampcamping,现在分词(v.ing)的构成,2）不发音e结尾的，v.去e+ing。comecomingmakemakingwrite-writing,3）重读闭音节中以单个辅音字母结尾，双写辅音字母，再加ing。如：getgettingbabysitbabysitting,4）y结尾时，v.+ing。如carrying、playing、studying,5）ie结尾的动词，ie改y+ing。diedyinglielying,但：e结尾，且e发音，v.+ing。see-seeingbe-being,注：现在分词用于现在进行时态，表示正在进行或发生的动作。,1）她正在买东西。,辨析句子：,sheisshopping.(bedoing),sheisgoingshopping.(begoingdoing),3）他们在钓鱼。,theyarefishing.(bedoing),2）她要去买东西。,注：现在分词用于现在进行时，不仅可以表示正在进行或发生的动作，还可以表达将来时，表示计划或打算。,4）他们准备去钓鱼。,theyaregoingfishing.(begoingdoing),一般情况下：bedoing表将来时,be+doing1,现在进行时，表示动作正在进行，通常有时间状语如now,look,listen等2.现在进行时表示将来表示将要发生的动作，表示对未来的计划和安排，译为“将要.”，“打算.”通常有表将来的时间状语如tomorrow,next,week等，或者通过上下语境的暗示,heissinging.,whatshedoingnow?,iamvisitingmyunclewithmymother.,theyarewatchingthemovies.,imgoingshopping.,goingcamping,visitingmygrandma,spendingtimewithmyfamily,relaxingathome,takingwalks,-whatareyoudoingonvacation?,goingtothebeach,playingchess,exercising,-im,playingvolleyball,goingshopping,goingfishing,goingboating,goingswimming,goingcamping,a:whatareyoudoing?b:imv.ing,letsaskandanswer:,visitsb.gofishingwatchtvplaybasketballgocampingdohomeworkplaysoccergoshoppingdohouseworkplaychessgoboatingbabysitsb.playcomputergotothebeachflyakitereadbooksexercise/dosportsspendtimewithsb.relaxathome,gocamping去野营gosightseeing去观光gobikeriding骑车旅行gohiking去远足goskating去滑冰goswimming去游泳gofishing去钓鱼goshopping去购物,playingbasketball打篮球watchingtv看电视babysitting照看婴儿see