[原创]2019年《南方新课堂·高考总复习》英语 第二部分 第十讲 名词性从句[配套课件].pptVIP

第十讲 名词性从句 名词性从句是历年高考的重点和难点，也是热点。名词性 从句相当于名词，可做主句的主语、宾语、表语和同位语。因 此，名词性从句可分为主语从句、表语从句、宾语从句和同位 语从句(见下表)。 名词性从句 连接词 主语从句 用 that, who, whether, if (不用于句首), what (＝the thing that)等连接词引导 宾语从句 用 that ( 可省略), if, whether (or not), what ( ＝the thing which)等连接词引导 表语从句 用 that ( 一般不省略), whether, what ( ＝the thing which)等连接词引导 同位语从句 用 that (常指代 news, thought, idea 等词), whether 等连接词引导 一、主语从句 主语从句是在复合句中充当主语的从句，通常放在主句谓 语动词之前或由形式主语 it 代替，而本身放在句子末尾。 结构 常见句型 It is ＋名词＋主语 从句 It is a fact/pity that...事实是/遗憾的是……/It is an honor that...非常荣幸……/It is common knowledge that...……是常识/It is a question ＋疑问词...问题是…… It is ＋形容词＋主 语从句 It is clear that...…… 很 清 楚 /It is surprising that...令人惊讶的是…… It ＋不及物动词＋ 主语从句 It seems that...似乎……/It happened that...碰 巧……/It appears that...看来…… It is/has been ＋ 过 去分词＋主语从句 It is reported/said/believed that...据报道/据说 /人们认为……/It has been proved that...已证 实…… 1．用 it 做形式主语的结构 说明 例句 if 引导的主语从句 不可位于复合句句 首 Its unknown whether/if he will come.(正) Whether he will come or not is unknown. (正) If he will come or not is unknown.(误) It is said/reported that...结构中的主语 从句不可提前 It is said that Jiang will visit our school next week.(正) Jiang will visit our school next week is said. (误) 2．主语从句不可位于句首的五种情况 说明 例句 It happens that.../It occurs to sb.that...结构 中的主语从句不可提前 It occurred to him that he failed in the examination.(正) That he failed in the examination occurred to him. (误) It doesnt matter how/whether...结构中的 主语从句不可提前 It doesnt matter whether he is right or not.(正) Whether he is right or not doesnt matter. (误) 含主语从句的复合句是 疑问句时，主语从句不 可提前 Is it likely that it will rain in the evening? (正) Is that it will rain in the evening likely? (误) (续表) 说明 例句 做动词 的宾语 由 that 引 导 的 宾 语 从句(that 通常可以 省略) My father always says that no pains, no gains.父亲常常说，不 劳无获。 由 what, whether/if, when, where, who 等 引导的宾语从句 He went to see who was outside. 他过去看是谁在外面。 动词＋间接宾语＋ 宾语从句 She explained to the teacher why she was late this morning. 她 向 老师解释今早她为什么迟到。 二、宾语从句 宾语从句是在复合句中做宾语的名词性从句，通常放在主 句谓语动词(及物动词)或介词之后。