高考英语考点71主语从句.pdfVIP

考点七十一 主语从句 主语从句是在复合句中担任主语的句子。其特点有： （1）引导词： 从属连词 that, whether; 连接代词 who, what, which; whoever, whatever, whichever; 连接副词 when, where, how 和 why 。 （2 ）语序：陈述句语序 （3 ）在主语从句中只能用 whether,不能用 if That he will win the match is certain. It is certain that he will win the match . 1. 一般来说主语从句都是放在句首， 但有时为了使句子保持平衡， 避免 头重脚轻 , 常用 it 作 形式主语，从而把主语从句放后面。常以 it 作形式主语的句型有： ① It is ＋形容词＋ that... ? It is certain that she will do well in her exam ． 毫无疑问她考试成绩会很好。 ② It is＋名词词组 (no wonder, an honour, a good thing, a pity, no surprise, common knowledge, a surprise, a fact, etc.)＋that... ? It ’s a pity that we can . ’t go 很遗憾我们不能去。 ③ It is ＋过去分词 (said, reported, thought, expected, decided, announced, arranged, etc.) ＋ that... ? It has been suggested that much should be done to prevent the river from being polluted. 有人建议应做更多的工作阻止河流遭受污染。 ④ It appears/seems that...|It happens that...|It occurred to me that...|It turned out that... ? It turned out that nobody remembered the address. 结果发现没人记得这地址。 ⑤ It doesn ’t matter that...|It makes no difference that... ? It doesn ’t matter whether she will come or not． 她是否来这无关紧要。 2. 当 that 引导的主语从句出现在疑问句中时，要以 it 作形式主语，而把主语从句后置。 ? Does it matter much that they will not come tomorrow? 他们明天不来很要紧吗？ 3. 当主语从句出现在感叹句中时，要以 it 作形式主语，而把主语从句后置。 ? How strange it is that the children are so quiet! 孩子们这么安静真奇怪！ 单句语法改错 ① What will they do next has not been decided. ② No matter who says that is a liar. ③ That she says will not make any difference to our arrangements. ④ What we need is reference books. ⑤ If we will go there tomorrow depends on the weather. 【2017 ·北京】 Every year, ____makes the most beautiful