Welcometoourclass!Lesson46Let’sLesson46Let’sGototheZoo!GototheZoo!Whatcantheyseeinthezoo?Whatisit?ItisaItisalion.tiger.Whatisit?ItisanItisaelephant.monkey.Whatarethey?Whataretheydoing?eatsleep,dreamsleep,dreameatWhatisthemonkeydoing?Themonkeyiseating.Monkeyseatbananas.Whatistheliondoing?Whatistheliondoing?Thelionissleeping.Thelionisdreaming.Thelionislonely.Whatistheelephantdoing?Theelephantisdreaming.Theelephantissleeping.Whatisthetigerdoing?Thetigeriseatingmeat.Tigerseatmeat.Whataretheydoing？他们正在干什么？Be(am/is/are)+v-ing现在进行时态表示现在或者现阶段正在进行或发生的动作。动词变现在分词即v-ing形式的规则1,一般情况下直接加-ing.2,以不发音字母e结尾的去掉e再加-ing.3,以重读闭音节结尾的单词，如果末尾是“辅＋元＋辅”就要双写最后一个辅音字母再加-ing.4,少数以ie结尾的单词变ie为y再加-ing.想一想想一想sleep,dream,eatsleeping,dreaming,eatingmake,write,havemaking,writing,havingput,get,sitputting,getting,sittinglie,tielying,tying
