(讲义)Unit 2 Out of This World 突破 语法大冲关-【提分教练】2023-2024学年新教材高中英语选择性必修第三册(译林版2020)

主语从句 [观察例句] 1．What he wants is a new bicycle. 2．That the earth moves around the sun is known to all. 3．Whether we will hold a party in the open air next week is uncertain. 4．Whoever wants to enter into this school must take the exam. 5．It was reported that no country was under the terrorist attack. [归纳用法] 一、主语从句的构成：关联词＋简单句 二、引导主语从句的关联词有三类 1．从属连词 (1)that That they were in truth sisters was clear from the facial resemblance between them. 很明显，她们确实是亲姐妹，她们的脸型很相似。 (2)whether Whether he'll come here isn't clear. 他是否会来这里还不清楚。 2．连接代词who，whom，whose，what，which，whoever，whatever，whichever Whoever comes is welcome.不论谁来都欢迎。 Wherever you are is my home—my only home. 你所在的任何地方就是我的家——我唯一的家。 What she did is not yet known. 她做了什么尚不清楚。 3．连接副词 where，when，how，why How this happened is not clear to anyone. 这事是怎样发生的，谁也不清楚。 三、主语从句能用it作形式上的主语 常以it作形式主语的句型有： 1．It＋be＋形容词(obvious，true，natural，surprising，good，wonderful，funny，possible，likely，certain，probable，etc.)＋that从句。 It is certain that she will do well in her exam. 毫无疑问，她的考试成绩会很好。 It was probable that he told her everything. 很可能他把一切都告诉她了。 2．It＋be＋名词词组(no wonder，an honour，a good thing，a pity，no surprise，etc.)＋that从句。 It's a pity that we can't go.很遗憾我们不能去。 It's no surprise that our team should have won the game. 我们对于我们的队伍赢得了这场比赛并不感到惊讶。 3．It＋be＋过去分词(said，reported，thought，expected，decided，announced，arranged，etc.)＋that从句。 It is said that Mr.Green has arrived in Beijing. 据说，格林先生已经到了北京。 It is reported that China has sent another man­made earth satellite into orbit. 据报道，中国又成功发射了一颗人造地球卫星。 4．It＋seem，happen等不及物动词及短语＋that从句。 It seems that Alice is not coming to the party at all. Alice似乎不来参加晚会。 It happened that I was out that day. 碰巧我那天外出了。 5．It＋doesn't matter (makes no difference，etc.)＋连接代词或连接副词引起的主语从句。 It doesn't matter whether she will come or not. 她是否将会来这儿不重要。 It makes no difference where we shall have the meeting. 我们在哪里开会无关紧要。 6．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。 Is it true that the scientist will give us a lecture next week? 下周那位科学家将给我们做报告是真的吗？