名词性从句
【考纲解读】
1.了解名词性从句的基本用法;
2.熟练掌握名词性从句的引导词及引导词在从句中的作用;
3.what与that的区别；whether与if的区别；
4. it作形式主语和形式宾语；
5. that引导同位语从句与定语从句的区别。
【预习导学】
名词性从句指的是在主句中起的作用相当于________ 的从句，主要包括____________、
____________、______________和__________________。
一、主语从句
1．引导主语从句的连接词：从属连词that, whether/if；连接代词what, who, whom, whose, whatever, whichever, whoever等；连接副词when, where, why, how, whenever等。
①___________ they were in truth sisters was clear from the facial similarity between them.
从她们的面貌相似度就能清楚地看出她们真是亲姐妹。
②___________ struck me most in the movie was the father’s deep love for his son.
影片中最打动我的是父亲对他儿子深深的爱。
2．主语从句一般放在句首，但有时也可用it作形式主语，而将主语从句移到句子的末尾。常见的句型：
(1)It＋be＋形容词(necessary/likely/important/uncertain等)＋that从句
(2)It＋be＋名词(短语)(a pity/a shame/no wonder/no surprise等)＋that从句
(3)It＋be＋过去分词(said/reported/decided/believed等)＋that从句
(4)It＋不及物动词(seem, appear, happen等)＋that从句
① __________________________ side effect the medicine will bring about, although about two thousand patients have taken it.
尽管大约两千名患者已经服用了这种药，但是它会带来什么样的副作用还不清楚。
② _________________________ our team has won the game.
我们队获胜一点都不令人吃惊。
③ ______________________ the meeting will be put off till next Monday.
会议被推迟到下周一召开已经定下来了。
二、宾语从句
1．引导宾语从句的连接词：从属连词that, whether, if；连接代词what, who, whose, whatever,
whichever, whoever等；连接副词when, where, why, how等；从句用陈述语序。
①We promise _____________ attends the party a chance to have a photo taken with the movie star.
我们许诺，任何参加这个聚会的人都有跟那个电影明星合影的机会。
②I truly believe ____________ beauty comes from within.(2015·北京高考单选)
我确信美来自内在。
③We must find out ___________ Karl is coming, so we can book a room for him.(2015·重庆高考单选)
我们必须弄清楚卡尔什么时候来，以便我们可以为他预订房间。
2．it作形式宾语的宾语从句
(1)一些动词后的宾语从句有宾语补足语时，则需要用it作形式宾语，而将that引导的宾语从句后置。常见的这类动词有：find, feel, think, consider, believe, guess, suppose, make等。
He _______________________ the meeting will not be postponed.
他清楚地表明会议不会被推迟。
(2)动词hate, like, dislike, appreciate, enjoy等表示“喜欢”、“厌恶”的动词以及一些动词短语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 ___________________ he is taken good care of when you are absent.
你不在的时候，我会确保把他照顾好。
三、表语从句
1．引导表语从句的连接词：从属连词that, whether；连接代词what, who, whose, whatever, whichever, whoever等；连接副词when, where, why, how等；从句用陈述语序。
①Jerry did not regret giving the comment but felt ____________ he could have expressed it differently.
杰里不后悔给出评论，但是觉得自己本来可以用不同的方法来表达的。
②I’d like to start my own business —that’s __________ I’d do if I had the money.
我愿意自己创业——那就是如果我有钱将会做的事情。
2．as if/as though引导的表语从句
as if/as though引导的表语从句常跟在be动词，seem, look, taste, sound, feel, appear 等动词之后。
The thick smog covered the whole city. It was ___________a great black blanket had been thrown over it.
浓雾覆盖着整座城市。好像把一个巨大的黑色的毯子扔到它的上面。
3．because, why引导的表语从句
because, why也可引导表语从句，但because引导的表语从句，主语不能是reason或cause (该
