语法专题 名词性从句 课件-2024届高三英语一轮复习

名词性从句 高考专题 语法清单 目 录 一、并列连词与并列复合句 二、名词性从句 二、名词性从句 　　名词性从句在句子中起名词的作用，可在主从复合句中担任主语、宾语、表语、同位语，因此，名词性从句可分为主语从句、宾语从句、表语从句和同位语从句。名词性从句使用陈述句语序，时态根据所表达的意义确定。 1. 主语从句 分类 引导词 示例 从属 连词 that(无实义)、 whether(是否) 只起连接作用，不作成分，一般不省略 (常用it作形式主语) That he survived the accident is a miracle. 他在这场事故中幸免于难,真是个奇迹。 Whether the work can be completed on time is doubtful. 这项工作未必能按时完成。 It is likely that he can't come to the meeting. 他可能不能来参加会议了。 It's no wonder that you've achieved so much success. 难怪你取得了这么大的成功。 It is requested that passengers should fasten their seat belts. 乘客被要求系好安全带。 It turned out that this method doesn't work well. 结果是这方法不太管用。 1. 主语从句 分类 引导词 示例 连接 代词 who、whom、 whose、what、 which、whatever等 What makes the book so extraordinary is the creative imagination of the writer. 让这本书如此非凡的是作者富有创造性的想象力。(在从句中作主语) Who she is doesn't concern us.她是谁与我们无关。(在从句中作表语) Which team has won the game is not known yet. 还不知道哪个队赢了这场比赛。(在从句中作定语) Whatever I have is at your service. 我拥有的一切你尽管使用。(在从句中作宾语) 1. 主语从句 分类 引导词 示例 连接 副词 when、where、 why、 how、 whenever等 It makes no difference where we shall have the meeting. 我们在哪里开会都无所谓。 When we begin the trip is still a question. 我们何时开始这次旅行仍悬而未决。 How this accident happened is still unknown. 这场事故是怎么发生的还不清楚。 Why she was absent remains a mystery.她为什么缺席仍然是个谜。 2. 宾语从句 分类 引导词 示例 从属 连词 that(无实义)、 whether/if(是否) 只起连接作用,不作成分 I wish (that) she would understand me.我希望她能理解我。 The policeman confirms (that) a dropped cigarette end on a carpet started the fire and that the automatic fire alarms did not go off quickly enough to prevent the disaster. 警察证实,一根掉在地毯上的烟头引起了火灾,而自动火警报警器没有及时报警以避免灾难的发生。(多个宾语从句并列时,只有第一个that可省略,从第二个开始,that一般不省略) I should phone her and see if/whether she's available for dinner.我得给她打个电话,看看她是否有空一起吃晚饭。(及物动词后的宾语从句,if/whether均可) 2. 宾语从句 分类 引导词 示例 从属 连词 that(无实义)、 whether/if(是否) 只起连接作用,不作成分 It all depends on whether we have determination and courage. 这完全取决于我们是否有决心和勇气。(介词后的宾语从句,只能用whether) She couldn't decide whether or not she would buy the house. 她无法决定是否买那幢房子