主系表结构 句型 SVSC(1) 主语+be+表语(句词/代词) 用法 在本句型中,名词或代词作表语,名词或代词可带附加成分,要注意主谓一致和时态问题 佳句背诵 Im a college student. It must be a grammar mistake. 人类居住的唯一家园是地球。The only home for man to live on is the earth. 失败乃成功之母。Failure are the mother of success. 所有这些词典都对我帮助很大。All these dictionaries are great help to me. 门口那辆摩托车不是我的。The motorcycle at the gate is not mine. 倘若我是你,我就采纳他的建议。If I were you , I would follow/take his advice. 句型 SVSC(2) 主语+be+形容词(+介词短语) 用法 在本句型中,形容词作表语。