名词性从句

关于名词性从句的综合知识点，例句

名词性从句

• 主语从句
  • 关联词
    • 从属连词
      • that,whether（不做成分）
    • 连接代词
      • what,whatever,who,whoever,whom whoever,whose,which（主语,宾语,表语,定语）
    • 连接副词
      • where ,wherever,when whenever,how,however,why时间状语,地点状语,方式状语,原因状语
  • 句首
    • that
      • 无意义,必要时可转化为it
    • whether（句首句末）
      • “是否”，引导主语从句时，一定不能用if
  • it
    • 系表+that从句
      • it's likely/vital/essential that
    • 系动词+名词+that从句
      • it's a pity/shame（遗憾）/wonder（奇迹）/no wonder（难怪） that
    • be +过去分词+that从句
      • it's hoped/thought/considered that
    • 特殊动词+that从句
      • it seem/appear/happened（碰巧）/matter/turn out/work out/occurred to/hit /strike/make a（no）difference
• 宾语从句
  • 关联词
    • 从属连词
      • that（一般可省，第二个一定不可），whether,if
        • whether 用法
          • whether to do
          • whether or not+从句
          • 介词+whether
        • if用法
        • 注意特殊：主+doubt+whether/if 主+not doubt（否定）+that
          • I doubt whether/if he is equal to the job?
          • I don't doubt that he is equal to the job
    • 连接代词
      • what ,whatever,who,whoever（主语，宾语，表语，定语）
    • 连接副词
      • when,where, why,how（状语:从句完整时）
  • 主语+
    • 及物动词+宾语从句
      • I consider/find out /point out/figure out /make sure (that）+从句
    • 副词+宾语从句
      • if you want to know how it works, read the instructions
      • I won't to know what the poem means
  • 介宾结构
    • success depends on whether （不可用if）we make enough effort
    • we know nothing about him except（介词except/ but（除了）后可接that引导的宾语从句） that he's a doctor
    • My fellow students.have begun to accept me for who I am
  • 主语+系动词+adj.+宾语从句
    • he is sure/ certain /pleased /afraid / surprised /satisfied+that
  • it
    • 主语+谓语+it+adj./n.+从句
      • find ,think,feel,consider...
        • I feel it a pity that I haven't been to the get- together
        • I consider it necessary that we take plenty of hot water every day
    • 特殊动词+it+从句
      • I like/prefer /enjoy/love/appreciate /hate /dislike /see to （负责）/depend on/ rely on that
• 表语从句
  • 关系词
    • 从属连词
      • that（不可省），whether（无if）
    • 连接代词
      • what,whatever,which,whichever,who...（主语,宾语,表语,定语,从句不完整时）
    • 连接副词
      • when,where,why,how,however...（时间地点原因方式状语,用于从句完整时）
  • 特殊句型
    • ①
      • the reason why...is/was that...
        • The reason why he was absent was that he fell ill
      • This/that is because ...
        • That is because he didn't work hard
      • This/that is why...
        • That is why he didn't make progress.
    • ②
      • 主语+be/seem等+as /though+表语从句
        • It be/ look/ appear/ sound /taste/ feel+as if/though+表语从句
• 同位语从句
  • 从属连词
    • that （绝对不可省），whether
  • 连接代词
    • what ，whatever ，who， which…（从句不完整时）
  • 连接副词
    • why how when where however…
  • 如何做题？
    • 解释？
      • 从句完整
        • that/whether（无if）
        • 连接副词
      • 从句不完整
        • 连接代词
• 引导从句的关联词