在复合句中具有名词的性质的作主语、表语、同位语、宾语的从句叫名词性从句.因此,我们把主语从句、表语从句、同位语从句和宾语从句这四种从句统称为名词性从句.
It is a fact that English is being accepted as an international language.事实上英语作为国际语言正为世人所接受.(主语从句)
The trouble is that she has lost hisaddress.麻烦的是她把他的地址搞丢了.（表语从句）
当名词性从句要采用陈述句语序.由一个含疑问意义的连词引起时,必须将该连词放在名词性从句的开头,且该从句语序不能倒装.
What wecan't get seems better than what we have.我们得不到的似乎比我们所拥有的要好.
The photographswill show you what our village looks like.这些照片将向你展示我们村庄的面貌.