【prep词性】一、
在英语语法中，“prep”是“preposition”的缩写，表示“介词”。介词是一种用来表示名词或代词与其他词之间关系的词类，常用于说明时间、地点、方向、原因、方式等。介词本身不能单独作句子成分，通常与名词或代词构成介词短语，从而在句中充当状语、定语或补语等功能。
常见的介词包括：in, on, at, by, with, about, for, to, from, into, through 等。不同的介词有不同的用法和搭配，掌握它们有助于提高英语表达的准确性与自然度。
以下是一些常见介词及其基本含义和用法示例：
二、表格展示
| 介词（Preposition） | 含义与用法 | 示例句子 |
| in | 表示在……里面；在……期间 | I am in the room. She was born in 2000. |
| on | 表示在……上面；在……日子 | The book is on the table. We will meet on Monday. |
| at | 表示在……地方；在……时刻 | He is waiting at the station. The meeting starts at 3 p.m. |
| by | 表示通过；由；在……旁边 | The letter was sent by post. She sat by the window. |
| with | 表示带有；和……一起 | She came with her brother. I can’t do this with you. |
| about | 表示关于；大约 | He talked about his trip. It’s about 10 kilometers away. |
| for | 表示为了；对于；持续 | This gift is for you. She studied for two hours. |
| to | 表示到……；向…… | He went to school. I’m going to the park. |
| from | 表示来自；从……开始 | She is from China. He left from the airport. |
| into | 表示进入……里面 | He walked into the room. She stepped into the car. |
三、小结
“prep”作为“preposition”的缩写，在英语中起着连接和修饰的作用。正确使用介词可以增强句子的逻辑性和表达的清晰度。学习和掌握常用介词的用法，是提高英语水平的重要一步。建议多阅读、多练习，结合具体语境来理解和运用这些介词。
