作者：陈玲 新航道武汉学校留学预备课程讲师，英语教育专业，持中学教师资格证书，英语专业八级。与学员相处经验丰富，教学中善于将知识点深入浅出，引导学员融汇贯通。
英文中名词性从句从词性的角度来说属于名词，句子中需要由名词充当的语法成分有主语，宾语，表语和同位语，当这些成分被一个句子所取代时，就产生了相对应的主语从句，宾语从句，表语从句，以及同位语从句。而英文中只有动名词和不定式具有名词特征，可以当成名词来使用，因而可以用来简化名词性从句，从而在写作中加强句式的多样性以及语法的丰富度。本文将分别从动名词和不定式两个方面来总结不同类型的名词性从句的简化方式，结合具体例子分析其在写作中的运用。
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1.名词从句与动名词：由that引导的名词从句一般可以换成动名词来表达，根据从句的内容采用动名词复合结构的形式。
(1)That引导的主语从句:直接将从句部分处理为动名词复合结构(名词所有格/形容词性物主代词+动名词)
Eg: It has become a prevalent social problem that children object to their parents remarrying.
Thatchildren object to their parents remarryinghas become a prevalent social problem.
Children’s objecting/objection to their parents remarrying has become a prevalent social problem.(也可以直接用object的名词形式objection)
(2)That引导的同位语从句：简化时，先要在从句所修饰的名词后面加上介词，通常是用of来表示同位关系，然后再把从句换成动名词符合结构。（名词性从句也相当于一个名词，两个名词之间的修饰关系需要借助介词）
Eg: Nowhere in nature is aluminum found free, owing to the fact that it is always combined with other elements, most commonly with oxygen.
Nowhere in nature is aluminum found free, owing to the it’s always being combined with other elements, most commonly with oxygen.
We were greatly encouraged by the news that China had launched another man-made satellite.
We were greatly encouraged by the news of China having launched another man-made satellite.
(3)That引导的宾语从句简化：宾语从句的转化比较复杂，既可以转化为动名词也可以转化为不定式，主要取决于主句的谓语动词的用法。后面接不定时的动词
比如hope to do sth.
后面接动名词的动词如 consider doing sth.，因此需要我们对动词的用法比较熟练。
常见的接to do的动词：attempt/consent/demand/endeavor/tend/volunteer等。
常见的接doing的动词：avoid/consider/image/miss/might/suggest等。
Eg: I consider that this is a far-reaching event.
I consider this (being) a far-reaching event.(consider后面可以直接接宾补，因此being可以省略)
有的不及物动词后面还要补充介词
Jane’s mother insisted that she should go swimming with her brother.
Jane’s mother insisted on her going swimming with her brother.
2.名词性从句与不定式
能简化成不定式的名词性从句通常具备两个特征：
1>名词性从句谓语往往含有情态意义，常见的有should或can/could
2>通常是连接代词，连接副词以及whether引导的名词从句。
Eg：I don’t know what I should do.
I don’t know what to do.
Eg : Some teenagers have no idea whether they should follow the social tradition.
Some teenagers have no idea whether to follow the social tradition.
总的来说，在文章句子输出时，不同类型的名词性从句都可以通过动名词或者不定式进行简化，增强文章语言的简洁性和语法的广度。不过需要注意的是，不定式或动名词结构最终的呈现与从句谓语动词的用法息息相关，因此，要在夯实好基础的前提下练习改写。
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