动名词和现在分词：两种不同概念的非谓语动词

以上例句中，主语和表语是平等的并列关系，所以可以互换位置而意思保持不变。例如：

His hobby is collecting stamps. 他的业余爱好是集邮。

→Collecting stamps is his hobby. 集邮是他的业余爱好。

His ambition is working as a lawyer. 他的抱负是当律师。

→Working as a lawyer is his ambition. 当律师是他的抱负。

The only way to cure your disease is going to bed. 治疗你的病的唯一办法是上床睡觉。

→Going to bed is the only way to cure your disease. 上床睡觉是治疗你的病的唯一办法。

现在分词作表语，说明该现在分词具备了形容词的作用。它表示句子的主语所具备的某种性质，这个性质是主动的，具备使令意味，让人发生情绪上的变化。

Tom’s progress in English is satisfying. 汤姆在英语上的进步是令人满意的。

The examination result is discouraging. 考试结果很令人沮丧。

Her facility in languages was surprising. 她在语言方面的才能令人吃惊。

The story about space travelling is interesting. 那个关于宇宙旅行的故事很有趣。

The film was boring to a degree. 这部影片非常枯燥。

The speed of the car was frightening. 这辆小汽车的速度真吓人。

The songs we heard last night were most inspiring. 昨晚我们听的歌曲很令人鼓舞。

The jokes he told us was amusing. 他给我们讲的故事很有趣。

It was amazing that he knew nothing about the event. 他对这个事件毫不知情，真让人感到诧异。

The service here is disappointing. 这儿的服务令人失望。

It is astonishing to me that he should be absent. 他竟然缺席,使我大为惊异。

That game was not very exciting. 那场比赛并不怎么精彩刺激。

The people upstairs are very annoying. 楼上的那些人非常吵闹。

The spelling of English is often puzzling. 英语的拼写常常使人伤脑筋。

The meaning of this word is confusing. 这个词的意思很令人费解。

I don't like making speeches in public; it's so embarrassing. 我不喜欢在公开场合演说，太难为情了。

My job can be very frustrating sometimes. 我的工作有时非常令人无奈。

The soft music sounds very pleasing to the ear. 那轻柔的音乐听起来十分悦耳。

The overall picture for farming is encouraging. 农业的总体形势是令人鼓舞的。

This work is tiring; it has tired me out. 这工作很累人，可把我累坏了。

Walking in the rain is really most fascinating. 雨中漫步的确非常令人陶醉。

The news from the front is very disturbing. 来自前线的消息令人极为不安。

The crawl of a snake is terrifying.  蛇爬行起来真可怕。

以上例句中的现在分词，说明主语具备了“使令”的意味：令人感觉如何。我们可以把这个分词转换为动词作句子的谓语，后面补上所缺的宾语。例如：

The service here is disappointing. 这儿的服务令人失望。

→ The service here disappoints us. 这儿的服务令我们失望。

Her facility in languages was surprising. 她在语言方面的才能令人吃惊。

→ Her facility in languages surprised us all. 她在语言方面的才能令我们吃惊。

The speed of the car was frightening. 这辆小汽车的速度真吓人。

→ The speed of the bus frightened the passengers. 这辆汽车的速度吓坏了乘客。