【with在什么时候用】“with”是一个常见的英语介词，使用频率高且含义丰富。它通常表示伴随、工具、方式、关系等。掌握“with”在不同语境下的用法，有助于更准确地表达意思。以下是对“with”常见用法的总结。
一、with的常见用法总结
| 用法类型 | 举例说明 | 说明 |
| 表示伴随 | I went to the park with my friend. | 和某人一起做某事 |
| 表示工具或手段 | She cut the paper with a knife. | 使用某种工具完成动作 |
| 表示状态或特征 | He is tall with a big smile. | 描述人的外貌或状态 |
| 表示带有某种性质 | The house with a garden is expensive. | 修饰名词，说明其属性 |
| 表示原因或理由（较少见） | With all that happened, we decided to leave. | 引出背景或原因（口语中常用） |
| 表示比例或数量 | 20% of students with high grades. | 表示某一类人或事物 |
二、with的常见搭配与固定表达
| 搭配 | 含义 | 例句 |
| with the help of | 在……的帮助下 | With the help of my teacher, I passed the exam. |
| with regard to | 关于 | With regard to your question, I will reply later. |
| with a view to | 为了…… | We are working hard with a view to success. |
| with ease | 轻松地 | She finished the task with ease. |
| with time | 随着时间 | With time, things will get better. |
三、with的易混淆点
1. with vs. by
- “with”强调工具或伴随，如：I opened the door with a key.
- “by”强调方式或手段，如：I opened the door by pushing it.
2. with vs. in
- “with”常用于描述伴随或工具，如：He talked with his friends.
- “in”多用于位置或状态，如：He talked in the room.
3. with vs. about
- “with”可以表示伴随或相关，如：She is good with children.
- “about”表示谈论的内容，如：We talked about the trip.
四、总结
“with”在英语中用途广泛，常见于表示伴随、工具、状态、关系等语境。学习时需结合具体句子理解其含义，并注意与其他介词的区别。通过大量阅读和练习，可以更自然地掌握“with”的正确用法。
如需进一步了解其他介词的用法，欢迎继续提问。
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