Lesson31Where’sSallyThepig___playingbasketball.Therabbit____walking.Thecat____listeningtomusic.They____sleeping.isisisare1.It____dancing.2.It____ridingabike.3.They____skating.isareisShe_____running.They____sittingunderatree.It_____swimming.isisareThepigisplayingbasketball.Therabbitiswalking.Thecatislisteningtomusic.Theyaresleeping.+ing1.Itisdancing.2.Itisridingabike.3.Theyareskating.dancerideskatemakeing1.Itisdancing.2.Itisridingabike.3.Theyareskating.dancerideskatecomeingSheisrunning.Theyaresittingunderatree.Itisswimming.双写最后一个辅音字母+ing现在分词形式变化多，有的尾部去掉e,有的尾部双写，别忘加上-ing。直接加-ing去e加-ing双写词尾加-ingplayingsingingwatchingdrawingjumpingclosingcomingdancingwritingskatingmakingsittingrunningputtingswimmingjoggingshoppingNewwordsandexpressions•garden/'ɡɑ:dn/n.花园•under/'ʌndə/prep.在……这下•tree/tri:/n.树•climb/klaim/v.爬，攀登•who/hu:/pron.谁•run/rʌn/v.跑•grass/ɡrɑ:s/n.草，草地•after/'ɑ:ftə/prep.在……之后•across/ə'krɔs/prep.横过，穿过•cat/kæt/n.猫Seeyou
