Until和by的用法_语法学习技巧

Until和by的用法

文章来源：未知文章作者：enread 发布时间：2020-09-06 07:00 字体： [大中小]　进入论坛

(单词翻译:双击或拖选)

虽然“until”和“by”这两个词都可以译成“到……时”，但它们的用法却不同。“Until”表示某事在未来的某个时间点前持续发生；“by”表示某事在未来某个时间或最后期限前发生。

1 Until

Until is used to talk about doing something up to a certain point in time.

“Until” 用来表示 “在某个时间点之前，一直做某事”。

I have to take care of my dog until 5pm.

Until the rain stops, we can't go to the beach.

I will be working until this evening. We can meet for dinner after that.

2 By

By is used to talk about doing something before a future time or deadline.

“By” 用来表示 “在未来某个时间或最后期限之前做某事”。

I have to finish an essay by 5pm.

The council¹ expects the bridge to be finished by December.

By the time I come back, I want this room clean.

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1 council
n.理事会，委员会，议事机构
参考例句：
The town council passed a law forbidding the distribution of handbills.市议会通过法律，禁止散发传单。 The city council has declared for improving the public bus system.市议会宣布同意改进公共汽车系统。