三点突破高考英语名词性从句 课件-2022届高三英语一轮复习

三点突破高考英语名词性从句 作者：邓华 考点一：连接词that 与whether / if 1．连接词 that 的用法 (1) that在名词性从句中不作任何成分，引导 宾语从句时有时可以省略,引导主语从句、 表语从句和同位语从句时不能省略。 I love the fact that Chinese buses, motorcycles, trains and aircraft are either economical or cheap.我喜欢中国的公共汽车、摩托车、火车和飞机，既经济又便宜。 注意: that引导宾语从句四种不能省略的情况： that从句作介词的宾语时； ② 动词后跟有多个that引导的宾语从句时，只 有第一个that可以省略，从第二个从句开始 that 不可省略； ③ 宾语从句前有插入语时； ④ that引导的从句位于句首时。 (2) that引导主语从句时,常用it作形式主语的常 见句型有： ① It＋be＋形容词 ( necessary / right / likely / unlikely / wrong / important / certain 等) ＋that从句 It isn't likely that I should accept such an offer as that.我不大可能接受那样的提议。 ②It＋be＋名词(短语) (a pity / a shame / a surprise / no wonder 等)＋that 从句 It is a pity that your composition has so many spelling mistakes. 很可惜，你的作文有这么多拼写错误。 ③ It＋be＋过去分词 (said / reported / decided 等)＋ that从句 It is decided that the meeting has been put off till next Monday. 会议已决定推迟到下星期一举行。 ④It＋特殊动词 (seems / appears / happens / matters / turns out / makes no difference 等) ＋that从句 It turns out that the brain needs exercise in much the same way our muscles do. 事实上，大脑需要像肌肉一样得到锻炼。 注意： 在以下主语从句中, 常使用虚拟 语气，即谓语动词用 “should＋动词 原形” 形式, 其中的should可以省略。 ① It is a pity that ... ② It is necessary / strange/important/ natural etc.＋that ... ③It is suggested/requested/required/ proposed/desired etc.＋that (3) it作形式宾语的宾语从句 ① find，feel，think，consider，make，believe 等后面有宾语补足语时，需用 it 作形式宾语而将that引导的宾语从句后置。 He has made it clear that the meeting will not be postponed. 他清楚地表明会议不会被推迟。 ②一些动词短语 see to，depend on，rely on 等常用it作形式宾语，而将宾语从句后置。 I shall see to it that he is taken good care of when you are absent.你不在的时候，我一定好好照顾他。 2．连接词 whether与if引导的名词性从句 (1) 引导主语从句、表语从句、同位语从句时一般用 whether，不用if。 (2) whether与if引导宾语从句时大多数情况下可以互 换，但下列情况下宜用whether： ① 后面直接跟or not时 ② 用于介词后引导宾语从句时 注意: doubt后接宾语从句时，如果用于肯定句，从句的引导词用whether或if；用于否定句或疑问句时，从句的引导词常用that。 The doctor really doubts whether my mother will recover from the se