be surprised to do sth.和be surprised doing sth.有什么区别呢？

首先我们来看下be surprised to do sth和be surprised doing sth的大致意思：

be surprised to do sth：词性为动词短语，该短语由动词be surprised和不定式to do sth构成，其中be surprised表示感到惊讶，to do sth表示做某事。

be surprised doing sth：词性为动词短语，该短语由动词be surprised和动名词doing sth构成，其中be surprised表示感到惊讶，doing sth表示正在做某事。

通过下面的表格我们了解下be surprised to do sth和be surprised doing sth的含义、发音和用法

接下来让我们看下be surprised to do sth和be surprised doing sth的用法区别：

1.结构：be surprised to do sth中的to do sth是一个不定式短语，而be surprised doing sth中的doing sth是一个动名词短语。

例子：

- I was surprised to find out that he went on a trip.

(我很惊讶地发现他竟然去旅行了。)

- He was surprised doing his homework to find out that the answer was wrong.

(他做作业时很惊讶地发现答案是错误的。)

2.语义：be surprised to do sth强调先有惊讶再有行动，而be surprised doing sth强调在进行某个动作时感到惊讶。

例子：

- I was surprised to see him at my doorstep.

(我惊讶地发现他竟然出现在我家门口。)

- He was surprised seeing them dancing.

(他看到他们在跳舞时感到非常惊讶。)

3.时间：be surprised to do sth表示发生在行动之前的惊讶，而be surprised doing sth表示发生在行动进行中的惊讶。

例子：

- He was surprised to hear the good news while eating.

(他吃饭时很惊讶地听到了好消息。)

- I was surprised hearing them singing.

(我看到他们在唱歌时感到非常惊讶。)

4.动作：be surprised to do sth表示惊讶的是具体的行动，而be surprised doing sth则强调惊讶的是正在进行的动作。

例子：

- I was surprised to see him taking my book away.

(我很惊讶地看到他竟然拿走了我的书。)

- He was surprised swimming.

(他在游泳时感到非常惊讶。)

5.逻辑：be surprised to do sth表示先有惊讶再有行动，而be surprised doing sth表示行动和惊讶同时发生。

例子：

- I was surprised to hear that she left the company.

(我很惊讶地听到她离开了公司。)

- He was surprised watching them dancing.

(他看着他们跳舞时感到非常惊讶。)

6.语气：be surprised to do sth表示惊讶的是事实，而be surprised doing sth则强调惊讶的是说话人的主观感受。

例子：

- I was surprised to find out that he is a writer.

(我很惊讶地发现他是个作家。)

- He was surprised hearing them talking about him.

(他听到他们在说他时感到非常惊讶。)