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1、Be 动词的一般现在时(am,is are)1.am 第一人称单数 I e.g I am a techer.2.is第三人称单数 he, she, it e.g He is a doctor. She is a nurse. It is a dog.3.are 其他人称 we,they, you e.g We are doctors. They are nurses. You are a good girl.Be 动词的常用句型1.肯定句，主语+be 动词+其他 He is a student.2.否定句，主语+be 动词+not+其他 He is not a student.be动词加not
2、的缩写：is not=isnt are not= arent3.一般疑问句，be 动词+主语+其他? Is he a student? 回答：Yes,he is.No, he isnt.4.特殊疑问句，特殊疑问词+be 动词+主语+其他 What is your name? Who is Lily in this photo?practice一、根据句子写出be动词的正确形式。1、They ( )from Beijing.2、It ( )an orange.3、I ( )Chinese.4、She ( ) playing the piano.5、You ( )so beautiful to me.areisam isare二、把下列句子变成相应的句型。 They are all from America. 一般疑问句： Are they all from America?作肯定和否定回答： Yes, they are. No, they arent. 否定句：They are not all from America.
