【英语介词的运用及知识点】英语中的介词虽然数量不多，但其用法复杂、搭配多样，在句子中起着连接名词或代词与其它词类的重要作用。掌握好介词的使用，对于提高英语表达的准确性至关重要。本文将对英语介词的主要用法和常见知识点进行总结，并通过表格形式加以归纳。
一、介词的基本功能
1. 表示时间：如 at, in, on, by, during 等。
2. 表示地点：如 in, on, at, by, near, under 等。
3. 表示方向或来源：如 to, from, into, out of 等。
4. 表示方式或手段：如 by, with, through 等。
5. 表示目的或原因：如 for, because of, due to 等。
6. 表示所属关系：如 of, whose, between 等。
7. 表示比较：如 than, as, like 等。
二、常见介词及其主要用法
| 介词 | 常见用法 | 例句 |
| at | 表示具体时间点、地点 | I will meet you at 8 o'clock. She is at the library. |
| in | 表示较长的时间段、国家、城市等 | I was born in 2000. He lives in Beijing. |
| on | 表示某一天、星期几、某天的上午/下午 | We have a meeting on Monday. The book is on the table. |
| by | 表示截止时间、方式、通过 | The work must be finished by Friday. She went there by bus. |
| with | 表示伴随、工具、具有 | She came with her brother. He wrote the letter with a pen. |
| without | 表示没有 | He left without saying goodbye. |
| about | 表示关于、大约 | I’m thinking about the trip. The meeting is about an hour long. |
| for | 表示目的、原因、持续时间 | This gift is for you. I waited for two hours. |
| from | 表示来源、起点 | She is from Canada. He came from Shanghai. |
| to | 表示方向、目的、距离 | I went to school. The distance is ten kilometers to the city. |
| between | 表示两者之间 | The house is between the park and the school. |
| among | 表示三者或以上之中 | He is among the best students. |
| into | 表示进入、变成 | She walked into the room. He turned into a teacher. |
| out of | 表示从……出来、由于 | He ran out of the building. She was tired out of work. |
三、常见介词搭配与固定短语
| 固定搭配 | 含义 | 例句 |
| look after | 照顾 | She looks after her younger sister. |
| take care of | 照顾 | I’ll take care of the dog while you’re away. |
| get along with | 与……相处 | He gets along well with his classmates. |
| depend on | 依赖、取决于 | Success depends on hard work. |
| think of | 想到、认为 | What do you think of this idea? |
| agree with | 同意 | I agree with your opinion. |
| be good at | 擅长 | She is good at math. |
| be interested in | 对……感兴趣 | He is interested in music. |
四、注意事项
1. 介词不能单独作谓语，必须和名词或代词一起构成介词短语。
2. 有些动词后面必须接介词，如: look forward to, think about, pay attention to 等。
3. 同一动作可用不同介词表达，如：在桌子上（on the table） vs 在桌子下（under the table）。
4. 注意一些介词的特殊用法，如：by the way（顺便说一下）、in the end（最终）等。
五、总结
英语介词虽小，却在语言表达中扮演着不可或缺的角色。学习时应注重积累常见搭配，结合语境理解其含义。通过不断练习和运用，可以逐步掌握介词的正确使用方法，提升英语表达的准确性和自然度。
