名词从句全解及真题练习名词性从句（基础篇）一．名词性从句连词：1) 连接词 that, if, whether, as if/as though, because 2) 连接代词： who, whom, whose, what, which,whoever, whatever, whichever 3) 连接副词： when, where, why, how, how many/much/long/soon/often, whenever, wherever 二．主语从句1.that 引导的主语从句，只起连接作用That we must master English words as many as possible is very important. 2.wh-引导的主语从句： ①连接②承担句子成分 （主、宾、表、定、状）What you are doing is very difficult. 3.whether/if 引导主语从句：①whether 引导主从既可放句首，也可放句中。②但 if 引导的主从只能放句中，前用it 作形式主语Whether it is true remains a question. It is doubtful whether the manager knew the details of the plan. 4.It + 谓语 + 主语从句1) it + be + 形容词 + that/ wh-从句It is certain that your son will do well in his exam. 2) it + be + 名词 + that/ wh-从句It remains a question whether it is true. 3) it + be + 过去分词+ that/ wh-从句It has not been decided who will perform the operation. 4) it + 不及物动词+ that/ wh-从句It happened that I was not there that day. (注意：1) ~ 3) 在表示建议、要求、命令、愿望、义务、责任时，从句中的谓语要用“should + V 原形 ” )5.主从应该注意的问题：1) 以下情况，真正主语that 引导的从句不可和形式主语相替换① It is said /reported⋯结构中的主语从句不可提前。例如：It is said that President Jiang will visit our school next week. （That President Jiang will visit our school next week is said. ×）② It happens/occurs⋯结构中的主语从句不可提前。例如：It occurred to him that he failed in the examination. （That he failed in the examination occurred to him. ×）③It doesn ’t matter how/whether ⋯结构中的主语从句不可提前。例如：It doesn ’t matter whether he is wrong or not. ④ 含主语从句的复合句是疑问句时， 主语从句不可提前。 例...
