表语

表语和它前边的系动词一起构成复合谓语， 用于说明主语的特征、状态、身份、类属等。常见的系动词有下面这些：
appear, be, become, fall, feel, get, go, grow, keep, look, prove, remain, rest, run, seem, smell, sound, stay, taste, turn

表语表示法

1) 名词
* It is a long wait in the dark. 在黑暗中他们等了很长一段时间。
* That will be a good beginning, I hope. 我希望，这将是一个良好的开端。
* That remains a puzzle to me. 这对我还是个难题。

2) 代词

* It's him. 是他。
* Is that book hers? 那本书是她的吗？
* I'll be myself again in no time. 我过一会儿就会好的。

3) 数词
* She is sixteen. 他十六岁。
* She is always the first to get up. 她总是第一个起床。
* He was the second to climb the mountain. 他是登这座山的第2人。

4) 形容词
* She's keeping quite well．她身体一直保持得很好。
* The dish smells good. 这盘菜闻起来不错。
* She has gone mad. 她疯了。

5) 现在分词或过去分词作表语
* What he said was very encouraging. 他的话很鼓舞人心。
* The flowers look charming after the rain. 雨后的鲜花看上去很漂亮。
* It was amazing that the boy was able to solve the problem so quickly. 那男孩能这么快解决这个问题真是令人惊奇。
* It is frightening for her to think of that ghost story. 她想到那个鬼故事就毛骨悚然。
* Please remain seated. 请不要站起来。
* He seemed embarrassed. 他似乎很尴尬。
* The question still remains unsettled. 问题仍未解决。
* We were delighted to see them. 我们很高兴见到他们。

[注] 现在分词与过去分词作表语时， 其动作意味很弱， 在功能上更接近形容词。不少词 (如charming、unsettled等) 已经演化为正式的形容词。

6) 动名词
* One of the best exercises is swimming. 游泳是最好的运动项目之一。
* Her hobby is growing roses. 她的爱好是种玫瑰花。
* Our job is playing all kinds of music. 我们的工作就是演奏各种音乐。

7) 不定式
* His wish wasto become a scientist. 他的愿望是当一名科学家。
* Our next step was to get all things ready. 我们下一步是把事情都准备好。

8) 副词
* The power was still off. 仍然停电。
* Time is up. 时间到了。
* I am not sure if he is around. 我不清楚他是否在附近。
* What's up? 发生了什么事？

9) 介词短语
* He's still in danger. 他仍在危险期。
* The train station is just across the road. 火车站就在马路对面。
* She has been out of work for three months. 她有三个月没工作了。
* They are of great help to learners of English. 它们对于英语学习者很有用处。

10) 从句 (详见表语从句) 【高中以上】
* The truth is that he was very shy. 事实是他很害羞。
* The question is whether the film is worth seeing. 问题是这部电影是否值得看。
* That's because we never thought of it. 这是因为我们从未想过此事。