before
before
單字
學習摘要
介系詞,核心意義為「在…之前;以前」
介系詞後可接名詞或 V-ing
可當連接詞:before + 主詞 + 動詞
未來時間子句用現在式表示
基本資訊
before
prep.
/bɪˈfɔr/
主要意義:
1. 在……之前
2. 以前
例句
Finish your homework before dinner.
在晚餐之前把功課做完。
Please wash your hands before class.
上課前請洗手。
I met her before the game.
我在比賽前遇到她。
I have seen this movie before.
我以前看過這部電影。
其他意義
(連接詞)在……之前
Call me before you go home.
在你回家之前打電話給我。
同義詞
earlier than
We arrived earlier than the teacher.
我們比老師更早到。
earlier
I finished my homework earlier.
我更早把作業做完。
反義詞
after
We have lunch after class.
我們下課後吃午餐。
later than
He got home later than me.
他比我更晚到家。
常見錯誤
Before go to bed, I read.
Before going to bed, I read.
before 作介系詞後接名詞或 V-ing,不可直接接原形動詞。
I will call you before I will leave.
I will call you before I leave.
時間子句談未來時,用一般現在式:before + 主詞 + 現在式。
I finished before to lunch.
I finished before lunch.
before 後可接名詞或 V-ing,不接 to + V。
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