1、Welcome to our class!Lesson 46 Lets Go to the Zoo!What can they see in the zoo?What is it?It is aIt is alion.tiger.What is it?It is anIt is aelephant.monkey.What are they?What are they doing?eatsleep,dreamsleep,dreameatWhat is the monkey doing?The monkey is eating.Monkeys eat bananas.What is the lio
2、n doing?The lion is sleeping.The lion is dreaming.The lion is lonely.What is the elephant doing?The elephant is dreaming.The elephant is sleeping.What is the tiger doing?The tiger is eating meat.Tigers eat meat.What are they doing?他们正在干什么?他们正在干什么?Be(am/is/are)+v-ing 现在进行时态现在进行时态 表示现在或者现阶段正在进行或发生的动作表
3、示现在或者现阶段正在进行或发生的动作。动词变现在分词即动词变现在分词即v-ing 形式的规则形式的规则1,一般情况下直接加一般情况下直接加-ing.2,以不发音字母以不发音字母e结尾的去掉结尾的去掉e再加再加-ing.3,以重以重读闭音节结尾的单词,如果末尾是读闭音节结尾的单词,如果末尾是“辅辅 元辅元辅”就要双写最后一个辅音字母再加就要双写最后一个辅音字母再加 -ing.4,少数以少数以ie 结尾的单词变结尾的单词变ie为为y再加再加-ing.想一想 sleep,dream,eat sleeping,dreaming,eatingmake,write,havemaking,writing,havingput,get,sitputting,getting,sittinglie,tielying,tying