13.1 可以充当主语的词和结构
1) 名词
My love for you is deeper than the sea. 我对你的爱比海深。
Many students didn’t pass the exam. 许多学生没有通过考试。
The young should show respect to the old. 年轻人应该尊重老年人。(注: the young 为形容词名词化)
2) 代词
He broke the window immediately. 他立即打破窗。
It will just take a few minutes. 只需要只分钟。
That isn’t what I meant at all. 那根本不是我的意思。
Yours is the best answer. 你的答案最佳。
[注] 疑问代词也可以作主语。
What produce the energy? 什么产生能量？
Which of the two methods is superior? 这两种方法哪一种好？
3) 数词
Three is the ideal number for our small team. 我们的小组三个人最为理想。
Two of them survived the accident. 他们中的两个逃过了这场意外事故。
4）动名词
Smoking can cause cancer. 吸烟可致癌。
Talking to local people is a good way to learn English. 与本土人讲话是学习英语的一个好方法。
5）不定式
To say something is one thing, to do it is another. 说是一回事，做是另一回事。
To compromise should be advisable. 妥协应该是明智的。
6）从句(即主语从句)
What you think is not right. 你所想的是不对的。
Where we should go tomorrow is still not decided. 我们还没决定明天去哪？
以上的词和结构覆盖了主语的绝大部分情况，但实际应用中，由于表达的需要，主语还可以是其它形式，比如副词，介词短语等。
Before seven will be too early. 七点钟之前太早了。
Slowly is exactly how he speaks. 他说话就是慢吞吞的。
“Power to the people” is their slogan. “一切权力归人民”是他们的口号。
