例句: 3.这些桔子很好吃。 These oranges taste good. 一、表语从句定义: The question is who will do it. 表语从句放在连系动词之后, 充当复合句中的表语。表语从句二、表语从句构成 His suggestion is that we should stay calm . That is why she was late . 引导词引导词(系动词) +引导词+ 简单句三、引导表语从句的关联词 1.从属连词 as, as if / though 引导的表语从句 He looked just as he had looked ten years before. It sounds as if someone is knocking at the door. 他看起来还与十年前一样。听起来好像有人在敲门。 2. because, why 引导的表语从句例句: (1) That ’ s because he didn ’ t understand me. (2) That ’ s why he got angry with me . 那是因为他不理解我。那正是他对我生气的原因。(强调原因) (强调结果) 3.连接代词 who, whom, whose, whoever, what, whatever, which, whichever, 连接副词 where, when, how (1) The problem is who we can get to replace her. (2) The question is how he did it. (3) That is where he was born. 问题是我们能找到谁去替换她呢。问题是他如何做此事的。那就是他出生的地方。