【非谓语动词】在英语语法中,非谓语动词是指不能单独作谓语的动词形式,它们在句子中充当其他成分,如主语、宾语、定语、状语或补语等。常见的非谓语动词包括不定式(to do)、动名词(doing)和分词(现在分词 doing 和过去分词 done)。掌握这些结构有助于更准确地表达意思,并提升语言运用能力。
一、非谓语动词的基本类型与用法
| 非谓语动词形式 | 含义与功能 | 常见用法示例 |
| 不定式(to do) | 表示目的、将来动作或被动态 | I want to go. She was asked to leave. |
| 动名词(doing) | 作主语、宾语、表语等 | Swimming is fun. I enjoy reading. |
| 现在分词(doing) | 表示主动、进行或伴随动作 | Running in the park, he met a friend. |
| 过去分词(done) | 表示被动、完成或状态 | The book written by him is popular. |
二、非谓语动词的常见搭配与固定结构
1. 不定式常用于以下结构:
- want to do:想要做某事
I want to learn English.
- would like to do:想要做某事
She would like to visit Paris.
- be afraid to do:害怕做某事
He is afraid to speak in public.
2. 动名词常用在以下结构中:
- enjoy doing:喜欢做某事
I enjoy swimming.
- avoid doing:避免做某事
Don’t avoid working hard.
- consider doing:考虑做某事
They are considering moving abroad.
3. 现在分词常用于:
- with + 宾语 + 现在分词:表示伴随动作
She sat there with her eyes closed.
- 独立主格结构:表示时间、条件或原因
The meeting over, we left the room.
4. 过去分词常用于:
- have something done:让别人做某事
I had my hair cut yesterday.
- with + 宾语 + 过去分词:表示被动或完成
With the work finished, we went home.
三、非谓语动词的使用技巧
- 注意逻辑主语一致:非谓语动词的逻辑主语应与句子的主语一致,否则需要调整结构。
- 正确:The man sitting by the window is my teacher.
- 错误:Sitting by the window, the man is my teacher.(逻辑主语不一致)
- 区分现在分词与过去分词:
- 现在分词:表示主动、进行
The girl running is my sister.
- 过去分词:表示被动、完成
The letter written yesterday is important.
- 避免混淆不定式与动名词:
- 有些动词后只能接不定式,如 decide, hope, plan
I decided to go.
- 有些动词后只能接动名词,如 enjoy, avoid, consider
I enjoy reading.
四、总结
非谓语动词是英语学习中的重要部分,合理使用可以增强句子的表现力和准确性。通过掌握其基本形式、功能及常见搭配,能够更灵活地表达思想,提高语言运用能力。在实际应用中,应注意逻辑主语的一致性,并根据语境选择合适的非谓语形式。
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