什么是介词（Preposition）？
介词（Preposition）是用来表示名词或代词与其他词之间关系的词，通常用于表达时间、地点、方向、方式等。例如：in, on, at, by, with, for, about 等。
常见英语介词分类
- 时间介词：at, on, in, during, before, after, since, until
- 地点介词：at, on, in, above, below, under, over, between, among
- 方向介词：to, into, onto, toward(s), from, off, out of
- 方式/工具介词：by, with, in, on
- 原因/目的介词：for, because of, due to, thanks to
- 其他常用介词：about, against, as, like, of, through, without
高频介词示例
- at：at school, at 5 p.m., at the door
- on：on Monday, on the table, on time
- in：in July, in China, in trouble
- by：by bus, by chance, written by Shakespeare
- with：agree with you, cut with a knife
- for：wait for me, good for health
学习提示
英语介词看似简单，但用法灵活，常需结合固定搭配记忆。建议多阅读、多积累真实语境中的使用方式，避免死记硬背。