资源描述：
《高二英语（选修八）unit 1 备课参考 名词性从句精讲精析》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、名词性从句精讲精析（2）名词性从句精讲精析（2）——由连接词引导的名词性从句一、 引导名词性从句的连接词 引导名词性从句的连接词可分为三类： 连接词：that,whether,if （不充当从句的任何成分） 连接代词：what, whatever, who, whoever, whom, whose, which. 连接副词：when, where, how, why 不可省略的连词： 1. 介词后的连词 2. 引导主语从句和同位语从句的连词不可省略。 That she was chosen
2、made us very happy. We heard the news that our team had won. 比较：whether与if 均为"是否"的意思。 但在下列情况下，whether 不能被if 取代：1. whether引导主语从句且在句首，如：Whether he will come is not clear.2. 引导表语从句 3. whether从句作介词宾语4. 从句后有"or not" 大部分连接词引导的主语从句都可以置于句末，用 it充当形式主语。 It is not important w
3、ho will go. It is still unknown which team will win the match.二、名词性that-从句 1）由从属连词that引导的从句叫做名词性that-从句。 That只起连接主句和从句的作用，在从句中不担任任何成分，本身也没有词义。名词性that-从句在句中能充当主语、宾语、表语、同位语和形容词宾语，例如： 主语：That he is still alive is sheer luck. 他还活着全靠运气。 宾语：John said that he was leaving for
4、 London on Wednesday. 约翰说他星期三要到伦敦去。 表语：The fact is that he has not been seen recently. 事实是近来谁也没有见过他。 同位语：The fact that he has not been seen recently disturbs everyone in his office. 近来谁也没有见过他，这一事实令办公室所有的人不安。 形容词宾语：I am glad that you are satisfied with your job.
5、你对工作满意我感到很高兴。2）That-从句作主语通常用it作先行词，而将that-从句置于句末，例如：It is quite clear that the whole project is doomed to failure. 很清楚，整个计划注定要失败。It's a pity that you should have to leave. 你非走不可真是件憾事。 用it作形式主语的that-从句有以下四种不同的搭配关系： a. It + be +形容词+ that-从句 It is necessary that… 有必要……
6、 It is important that… 重要的是……单位：湖北省荆门市 姓名：李国 E_mail：liguo619@sina.com It is obvious that… 很明显……b. It + be + -ed 分词+ that-从句 It is believed that… 人们相信…… It is known to all that… 众所周知…… It has been decided that… 已决定……c. It + be +名词+ that-从句 It is com
7、mon knowledge that… ……是常识 It is a surprise that… 令人惊奇的是…… It is a fact that… 事实是……d. It +不及物动词+ that-分句 It appears that… 似乎…… It happens that… 碰巧…… It occurred to me that… 我突然想起……三、 名词性wh-从句 1）由wh-词引导的名词从句叫做名词性wh-从句。Wh-词包括who, whom, whose, who
8、ever, what, whatever, which, whichever等连接代词和where, when, how, why等连接副词。Wh-从句的语法功能除
