be 动词的用法amisarebe 动词的种类be 动词包括“am”, “is”, “are” 三种形式。第一人称单数(I) 配合am 来用。句型解析析：I am+I am Snoopy.I am ten years old. I am a student. I am a boy.be 动词的种类第二人称(You) 配合are 使用。句型解析：You are+You are my good friend. You are a good person.You are beautiful.be 动词的种类第三人称单数(He or She or It) 配合is 使用。句型解析：She(He, It) is +She is a good girl.She is so cute.She is tender.be 动词的种类人称复数(we/you/they) 配合are 使用。句型解析：We(You,They)are+We are in Class 37,Grade 7.They are my friends.You are good students.综合解析当使用be 动词的时候，前面请先加
