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Be 动词的用法动词的用法安庆石化二小安庆石化二小 钱钱 泉泉Be 动词: is am are我(I)用am,你(you)用are,Is用于她(she),他(he),它(it);其他人称复数全用are.Practice 1I You isHeShe amItWe aretheyPractice 21. I _ a girl.2.Her mother _ a teacher.3.They _ good friends.4.Amy and Sarah _ in Grade 5.5.The cat _ under the tree.