Before 对比 Previously

Before 在日常英语中最常见。

在英语中何时使用每一个，包含含义、语域和例句。

Before

前 1000（非常常见）A1preposition

Previously

前 2000（常见）B1adverb

最常见: Before

	Before	Previously
发音	🇬🇧 /["/bɪˈfɔː(r)/"]/🇺🇸 /["/bɪˈfɔːr/"]/	🇬🇧 /["/ˈpriːviəsli/"]/🇺🇸 /["/ˈpriːviəsli/"]/
含义	At an earlier time than something else.	在现在之前；更早。Before now; earlier.
例句	I always wash my hands before dinner.	The building had previously been used as a hotel.
语域	中性	中性
常见程度	前 1000（非常常见）	前 2000（常见）
CEFR 等级	A1	B1
词性	preposition	adverb
搭配	before dinner, before school, before sunrise	previously mentioned, previously discussed, previously stated, previously introduced, previously reported
反义	after, following	subsequently, afterwards
常见错误	Confusing 'before' with 'after'., Using 'before' to refer to an event that can only happen afterwards., Omitting the necessary clause or event after 'before'.	Using 'previous' instead of 'previously' in a sentence., Confusing 'previously' with 'currently' which means now., Misplacing 'previously' in a sentence and changing the meaning.
用法说明	Used to indicate a time prior to an event or action. Common in both spoken and written language. Avoid using it in extremely formal writing; in that context, consider 'prior to'.	使用'之前'来连接过去的事件与现在。适用于口语和书面语，但在随意对话中可能听起来太正式。Use 'previously' to connect past events with the present. It's suitable for both spoken and written contexts but may sound too formal in casual conversations.

常见问题：Before 对比 Previously

Before和Previously 有什么区别？

Before: At an earlier time than something else. Previously: Before now; earlier.

哪个更常见：Before和Previously？

Before 在日常英语中最常见。

哪个更高级：Before和Previously？

Previously 级别最高，在 CEFR 量表上为 B1。

Before和Previously 的 CEFR 等级相同吗？

在 CEFR 量表上：Before: A1, Previously: B1。

Before和Previously 是什么词性？

Before: preposition, Previously: adverb.

能各给一个例子吗？

Before: I always wash my hands before dinner. Previously: The building had previously been used as a hotel.

我可以互换使用 Before和Previously 吗？

不总是。Before和Previously 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。