动词不定式作宾语的用法

一、不定式充当宾语，谓语动词主要有：afford，agree，aim，appear，arrange，ask，care，choose，claim，decide，demand，determine，endeavor，expect，fail，happen, help，hesitate，hope，learn，manage，offer，plan，prepare，pretend，proceed，promise，prove，refuse，resolve，seem，swear，tend，threaten，undertake，volunteer，vow，want，wish 等。举例：

I happen to know the answer to the question. 我碰巧知道问题的答案。

二、有些动词既可以接不定式，也可以接动名词充当宾语，主要有：like, love, prefer, hate, bother, begin, start, cannot bear, continue, cease 等。举例：

Don"t bother to get / getting dinner for me. 不必费心为我做晚饭了。

三、有些动词既可以接不定式，也可以接动名词充当宾语，但意思不同。

1. stop to do sth. 停下来去做某事；stop doing sth. 停止做某事。举例：

Stop to think about it for a while. 停下来考虑一会儿。

Stop talking, please. 别讲话了。

2. remember / forget to do sth. 记得/忘记要去做某事；remember / forget doing sth. 记得/忘记已经做过某事。举例：

I forgot to lock the door. 我忘记锁门了。

I forgot locking the door. 我忘记已经锁过门了。

3. try to do sth. 努力做某事；try doing sth. 尝试做某事。举例：

I"ll try to do better next time. 我下次尽力做好。

He tried speaking English. 他尝试说英语。

4. go on to do sth. 接下来做某事；go on doing sth. 继续做某事。举例：

He went on to do the other excercises. 他接下来做其它的练习。

He went on doing the excercises. 他继续做练习。

5. regret to do sth. 很遗憾要去做某事；regret doing sth. 很后悔做了某事。举例：

I regret to do this, but I have no choice. 很遗憾，我只能这样做，没办法。

I regret telling you what I did. 真后悔告诉你我做了什么。

6. mean to do sth. 打算做某事；mean doing sth. 意味着做某事。举例：

I meant to call on you tomorrow. 我打算明天去看看你。

Missing the train means waiting for another hour. 错过这班车意味着再等一个小时。

四、形式宾语

当复合宾语（宾语+宾语补足语）中的宾语由不定式充当时，需要采用形式宾语 it。举例：

I think it quite important to learn English well. 我认为学好英语相当重要。

五、“疑问词+不定式”充当宾语。举例：

Please show me how to do that. 请告诉我该怎么做。