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Be动词的用法,基本形式：am is are,观察理解句子发现规律,I am a student . You are a teacher. She is my mother. He is my father. It is a monkey. My name is Amy. They are my friends. 总结：我用am，你用are ,is连着她他它，单数形式用is，看到复数则用are。,练习巩固,1、( ) you from China? Yes , I ( ). 2、Where ( ) he from? 3、How ( ) it going? 4、( ) this your mother? 5、( ) they Baibai and Tutu? No , they ( ) not. 6、We ( ) good friends.,Are,am,is,is,Is,Are,are,are,规律升华,我用am，你用are ,is连着她他它，单数形式用is，看到复数则用are，变否定，be后加not，变疑问，be提前，句末问号莫忘记。,