什么是介词?
介词是一种虚词,不能单独作句子成分,但可以与名词、代词或动名词构成介词短语,在句中充当状语、定语、表语等。
例如:
She is in the room.(她在房间里。)
We talked about the project.(我们讨论了这个项目。)
She is in the room.(她在房间里。)
We talked about the project.(我们讨论了这个项目。)
常见介词分类
- 时间介词:at, on, in, by, during, since, for 等
- 地点介词:at, on, in, under, over, between, among, near 等
- 方向介词:to, into, onto, toward(s), through, across 等
- 方式/原因介词:by, with, because of, due to, thanks to 等
高频介词用法示例
1. at / on / in(时间)
- at:用于具体时刻 — at 5 p.m., at noon
- on:用于具体某天 — on Monday, on July 4th
- in:用于较长时间段 — in 2025, in summer, in the morning
2. at / on / in(地点)
- at:强调“点” — at the door, at the station
- on:强调“表面” — on the table, on the wall
- in:强调“内部” — in the box, in China
3. 其他常用搭配
- good at math(擅长数学)
- interested in music(对音乐感兴趣)
- afraid of spiders(害怕蜘蛛)
- depend on someone(依赖某人)
小测验(JavaScript 交互)
请选择正确的介词填空:
She was born ___ June 15th, 2000.