At 对比 In 对比 On 对比 Upon

在英语中何时使用每一个，包含含义、语域和例句。

At

高频组块 A1 preposition

In

高频组块 A1 preposition

On

高频组块 A1 preposition

Upon

正式 10000 以上（较少见） B1 preposition

最正式: Upon

	At	In	On	Upon
发音	🇬🇧 /["/ət//æt/","/æt/"]/ 🇺🇸 /["/ət//æt/","/æt/"]/	🇬🇧 /["/ɪn/","/ˈɪn ðət/"]/ 🇺🇸 /["/ɪn/","/ˈɪn ðət/"]/	🇬🇧 /["/ɒn/"]/ 🇺🇸 /["/ɑːn/"]/	🇬🇧 /["/əˈpɒn/"]/ 🇺🇸 /["/əˈpɑːn/"]/
含义	A preposition used to show a point in space or time.	Inside a place or area.	A word used to indicate a position or time.	在特定的时间或地点 on or at a particular time or place
例句	She is waiting at the bus stop.	The book is in the bag.	The book is on the table.	mile upon mile of dusty road
语域	中性	中性	中性	正式
常见程度	高频组块	高频组块	高频组块	10000 以上（较少见）
CEFR 等级	A1	A1	A1	B1
词性	preposition	preposition	preposition	preposition
搭配	at home, at work, at the station, at night, at a party	in the room, in the city, in control	on time, on the table, on the floor, put on, turn on	upon arrival, upon request, upon reflection, upon hearing, upon completion
反义	away, out	out, outside	off, out, under	after, below, underneath
常见错误	Confused with 'in' when referring to specific locations., Used 'at' when it should be 'on' for days., Incorrectly used 'at' for general areas instead of specific points.	Saying 'in Monday' instead of 'on Monday', Using 'in' with time periods that require 'at' or 'on', Confusing 'in' and 'inside' in some contexts	Confused with 'in' (e.g., saying 'The cat is in the roof')., Using 'on' instead of 'at' for specific times (e.g., saying 'We will meet on 5 PM').	Confused with 'on' in casual speech., Used inappropriately in informal settings., Misunderstood as a preposition that can replace any instance of 'on'.
用法说明	Use 'at' for specific locations or times. Avoid using it for broad areas (use 'in') or for days (use 'on').	Use 'in' for locations, boundaries, or situations. Avoid using it for time expressions where 'at' or 'on' is appropriate.	Used to specify location (e.g., 'The book is on the table') or time (e.g., 'We meet on Monday'). It's not used for 'in' or 'at' when describing other locations or times.	用于更正式的场合，通常在书面语中。日常口语中不常用。避免在随意对话中使用。 Used in more formal contexts, often in writing. Not commonly used in everyday spoken English. Avoid in casual conversations.

在真实片段中看它

The Lord Of The Rings › The return of the king

I stood upon the brink.

when I lay My vengeance upon thee !"

The Lord Of The Rings › The Fellowship Of The Ring

All who look upon her...

The Lord Of The Rings › The return of the king

I stood upon the brink.

when I lay My vengeance upon thee !"

Upon

常见问题：At 对比 In 对比 On 对比 Upon

At、In、On和Upon 有什么区别？

At: A preposition used to show a point in space or time. In: Inside a place or area. On: A word used to indicate a position or time. Upon: on or at a particular time or place

哪个更正式：At、In、On和Upon？

Upon 是其中最正式的。

哪个更高级：At、In、On和Upon？

Upon 级别最高，在 CEFR 量表上为 B1。

At、In、On和Upon 的 CEFR 等级相同吗？

在 CEFR 量表上：At: A1, In: A1, On: A1, Upon: B1。

At、In、On和Upon 是什么词性？

At: preposition, In: preposition, On: preposition, Upon: preposition.

能各给一个例子吗？

At: She is waiting at the bus stop. In: The book is in the bag. On: The book is on the table. Upon: mile upon mile of dusty road

我可以互换使用 At、In、On和Upon 吗？

不总是。At、In、On和Upon 相关，有时可以互换，但在语域、常见程度和用法上不同，所以换用可能改变意思或语气。替换前先看看上面的区别。