I’d like to your pen friend, and get to know more about your country.(be) 3.系动词巩固练习 ①What you have said_______. A.is sounded interesting B sounds interestingC.sound interested D.listens interested ②The class begins. Please keep________. A.silent B.silence C.the silence D.silently ③Look! Several people in the crowd seemed_______. A.to be fighting B.to have fought C.being fought D.having fought ④How _____the song she sings sounds! I have never ______a better voice. A.beautifully, sounded B.beautiful, sounded C.sweet, listened to D.sweet, heard ⑤Her feeling about the marriage ______rather strange. A.is looked B.is seemed C.seems D.is appeared ⑥The new shirt______ right. A.doesn’t feel B.isn’t felt C.isn’t feeling D.doesn’t touch ⑦How happy it_______ for me to be home again after twenty years abroad! A.gives B.feels C.is felt D.is given ⑧John _____driver since two months ago. A.became a B.has become a C.has turned D.has been a ⑨He _____he felt very _______over the death of the boy. A.seemed that, sad B.seemed as if, sadly C.looked as though, sad D.looked that, sadness ⑩The ice_____ thick on the river. A.is lain B.lay C.laid D.lie(其答案分别是：1——5：BAADC，6——10：ABDCB)

一、表语从句的定义：表语从句放在连系动词之后，充当复合句中的表语。

二、表语从句的构成：关联词+简单句

三、引导表语从句的关联词的种类： 1. 可接表语从句的连系动词有be, look, seem, sound, appear等。China is no longer what she used to be. 今日的中国不再是过去的中国了。 The question remains whether they will be able to help us. 问题还是他们能否帮我们。 2. 从属连词whether, as, as if / though引导的表语从句He looked just as he had looked ten years before. 他看起来还与十年前一样。 It sounds as if someone is knocking at the door. 听起来好像有人在敲门。

3. because, why引导的表语从句That's because he didn't understand me. 那是因为他没有理解我。　(That's because...强调原因) That's why he got angry with me. 那正是他对我生气的原因。　(That's why...强调结果) what引导的主语从句表示结果或名词reason作主语时，后面的表语从句表示原因时要用that引导，不宜用because。 The reason why I was sad was that he didn't understand me. 我难过的原因是他没有理解我。4. 连接代词who, whom, whose, what, which, whoever, whatever, whichever 连接副词 where, when, how, why。如： The problem is who we can get to replace her. 问题是我们能找到谁去替换她呢。 The question is how he did it. 问题是他是如何做此事的。 5. 从属连词that。如：The trouble is that I have lost his address. 麻烦是我把他的地址丢了。6. 使用虚拟语气的表语从句在表示建议、劝告、命令含义的名词后的表语从句，谓语动词需用"should+动词原形" 表示，should可省略。常见的词有：advice，suggestion, order, proposal, plan, idea等。 My suggestion is that we (should) start early tomorrow. 我的建议是我们明天一早就出发。