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谓语是be(am/is/are)的一般现在时。 ①肯定形式：主语+be+表语(形容词、名词充当表语)。 I am hungry. You are beautiful. He is a doctor. ②否定形式：主语+be+not+表语(形容词、名词充当表语)。 I am not hungry. You aren't beautiful. He isn't a doctor. ③一般疑问句形式：Be+主语+表语(形容词、名词充当表语)? 肯定回答：Yes,主语+be. 否定回答：No, 主语+ be+not. —Are you hungry? —Yes，I am./No,I'm not. —Is he a doctor? —Yes, he is./No, he isn,t. ④特殊疑问句形式：特殊疑问词+Be开头的一般疑问句? —What is he? —He is a doctor. 注意：be要随着主语变。 (责任编辑：admin) |