考研英语语法（十七）

名词性从句

主语从句
    1.主语从句的含义
        放到主句作主语
        （What is being called artificial general intelligence）……continues to evade scientists
    2.主语从句的写法
        that 不做成分，也不能省略
            （That the seas are being overfished ）has been known for years
        （What motivated him）……was his zeal for"fundamental fairness"：所激励他的是……
        表示“是否”的时候，只能用whether，不能用if
            And（ whether the community's work contributes much to an overall accumulation of knowledge） is doubtful.：And 放在句首是表示的这个句子与上个句子之间的关系；从句 whether 到第二个谓语动词之前结束
    3.主语从句的位置
        位于句首
            （Just how people think） is still far too complex to be understood……=It is still far too complex to be understood just how people think
            （What is needed ）is a technology of behavior……=It is a technology of behavior what is needed
        位于句尾
            It did not matter( what was done in the experiment……)
            It is becoming less clear,however,（that such a theory would be a simplification）……:however插入语，放到句子中间了，可以挪走，挪到句首；it 形式主语
            It makes no difference how you write……
    4.主语从句的句型模板
        模板1：It is done+主语从句（表达人们对一件事的观点或看法）
            This year,it was proposed （that the system be changed）……：今年，人们建议……
            It was argued at the end of the 19th century （that humans do not cry because they are sad……）
        模板2：It is +adj/n.+主语从句（表达对一件事的评价）
            It is not yet clear (how much more effective airline security has become……)
            …it is obvious( that their views were less fully intellectualized)
            Second,it is surely a good thing （that the money and attention come to science rather than go elsewhere.):rather than+内容：而不是……