1 一个名词或代词后面有时可跟一名词(或起类似作用的其他东西)，对它作进一步的解释，说明它是谁，是什么，称为同位语。用名词作同位语时最多：
This is Mr Brown, our English teacher.这是我们的英语老师布朗先生。
" Leave it to me, " said He Yian, the man on night duty . 值夜班的人何义安说：“这事交给我。”
You girls may take those seats over there ? 你们姑娘们可以坐在那边的座位上。
Then we three ，Laoyu, Xiaoli and myself, began to make preparations . 然后我们三个人，老于，小丽和我自己，开始做准备工作。
2.有时也可用形容词、数词或代词作同位语：
The middle aged man is the newly elected village head, able, openand sincere.那个中年人是新选的村长，能干，开朗而且诚恳。
People, old and young, took to the streets, to watch the parade . 老老少少的人都来到街头观看游行。
You two come and Sit here.你们两人到这里来坐。
3.在某些名词后面还可用从句作同位语：
I had no idea that you were here.我不知道你也在这里。
We expressed the hope that she would come and visit China again . 我们表示希望她能再次来访问中国。
Have you any proof that he is a thief ? 你有没有证据说明他是小偷?
No one can deny the fact that we have made tremendous progress in the past twenty years.没人能否认过去二十年我们取得巨大进步这一事实。
Their great driving force is the belief that they are doing right. 他们的巨大动力是他们相信自己的行为是战确的。
Soon came news that the enemy had surrendered . 很快传来了敌人投降的消息。
Who spread the rumour that the Prime Minister had resigned ? 谁散布谣言说首相辞职了?
