考点 25 名词性从句高考频度:★★★★★【命题解读】名词性从句是高考的热点,对于名词性从句考纲规定掌握如下内容:掌握主语从句、宾语从句、表语从句的基本使用方法,理解同位语从句的基本使用方法。规定考生在复习备考中应当掌握名词性从句的基本使用方法;某些易混引导词的辨析;句子的语序、否认前移;名词性从句和定语从句、状语从句的辨析等。【命题预测】估计高考对名词性从句的考察仍然不会单纯地考察其语法构造,而是将其融入一定的语境中来考察考生的实际综合运用能力。【复习提议】1. 掌握宾语从句的使用方法;2. 理解同位语从句的使用方法;3. 掌握表语从句的使用方法;4. 掌握主语从句的使用方法;5. 怎样对的选择引导词。考向一 名词性从句连接词的使用方法名词性从句的连接词有附属连词 that/whether/if,连接代词 what/who/which/whose/whatever/whoever/whomever/whichever,连接副词 where/when/why/how/wherever/whenever。1.that 的使用方法。(1)主语从句、表语从句、同位语从句中用 that 但不能省略。☞That they are good at English is known to us all.☞The problem is that we don’t have enough money.☞The report that there will be a severe storm in the northern area is false.(2)一般状况下,宾语从句中的引导词 that 可省略,但在如下几种状况中 that 一般不省略:① 当 that 从句和主句谓语动词之间有插入语时;② 有多种 that 引导的从句时,第一种 that 可以省略,而其他的 that 常不可省略;③ 介词 except,but,besides,in 等后跟 that 引导的宾语从句时;④ 当 when,who,what,where,why,how 等引导的从句与 that 引导的从句作主句谓语动词的并列宾语时。☞He judged that,because he was a child,he did not understand wine.☞The reason lies in that she works harder than the others do.☞Everyone knew what happened and that she was worried.(3)that 和 what 的区别。that 引导名词性从句时,在主从句中不担当任何句子成分,也没有任何含义;而 what 引导名词性从句时,在主从句中都要充当一定的句子成分,what 可以分解成定语从句中的"先行词+关系代词",即常说的"先行词+that"。☞It’s a shame that he has made such a mistake. ☞I will do ...