如何区分before和after~有时候觉得两者可以通用我找到一些相对以上更容易看得出before:1、主句动作发生之前,从句动作发生在后Turn off the light before you leave the room2、“.....之后(才)”主句
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![如何区分before和after~有时候觉得两者可以通用我找到一些相对以上更容易看得出before:1、主句动作发生之前,从句动作发生在后Turn off the light before you leave the room2、“.....之后(才)”主句](/uploads/image/z/9200029-13-9.jpg?t=%E5%A6%82%E4%BD%95%E5%8C%BA%E5%88%86before%E5%92%8Cafter%7E%E6%9C%89%E6%97%B6%E5%80%99%E8%A7%89%E5%BE%97%E4%B8%A4%E8%80%85%E5%8F%AF%E4%BB%A5%E9%80%9A%E7%94%A8%E6%88%91%E6%89%BE%E5%88%B0%E4%B8%80%E4%BA%9B%E7%9B%B8%E5%AF%B9%E4%BB%A5%E4%B8%8A%E6%9B%B4%E5%AE%B9%E6%98%93%E7%9C%8B%E5%BE%97%E5%87%BAbefore%EF%BC%9A1%E3%80%81%E4%B8%BB%E5%8F%A5%E5%8A%A8%E4%BD%9C%E5%8F%91%E7%94%9F%E4%B9%8B%E5%89%8D%EF%BC%8C%E4%BB%8E%E5%8F%A5%E5%8A%A8%E4%BD%9C%E5%8F%91%E7%94%9F%E5%9C%A8%E5%90%8ETurn+off+the+light+before+you+leave+the+room2%E3%80%81%E2%80%9C.....%E4%B9%8B%E5%90%8E%EF%BC%88%E6%89%8D%EF%BC%89%E2%80%9D%E4%B8%BB%E5%8F%A5)
如何区分before和after~有时候觉得两者可以通用我找到一些相对以上更容易看得出before:1、主句动作发生之前,从句动作发生在后Turn off the light before you leave the room2、“.....之后(才)”主句
如何区分before和after~有时候觉得两者可以通用
我找到一些相对以上更容易看得出
before:1、主句动作发生之前,从句动作发生在后
Turn off the light before you leave the room
2、“.....之后(才)”主句动作在从句之前完成,故主句常用过去完成时
The mother had waited for half an hour before her son came back。
我现在需要类似以上的答案是关于after
如何区分before和after~有时候觉得两者可以通用我找到一些相对以上更容易看得出before:1、主句动作发生之前,从句动作发生在后Turn off the light before you leave the room2、“.....之后(才)”主句
after
prep.(介词)
Behind in place or order:
在之后:在地方或顺序之后:
Z comes after Y.
Z在Y之后
Next to or lower than in order or importance.
次于:在顺序或重要性上次于或低于
In quest or pursuit of:
探求,追求:
seek after fame; go after big money.
追逐名誉;追求钱财
Concerning:
有关,关于:
asked after you.
询问关于你的情况
Subsequent in time to; at a later time than:
在…以后:时间上在…之后;比…晚一点:
come after dinner.
晚饭之后来
Subsequent to and because of or regardless of:
随后因为,随后不管:
They are still friends after all their differences.
尽管有许多相异,他们依旧是朋友
Following continually:
一个接一个:持续不断地紧接着:
year after year.
年复一年
In the style of or in imitation of:
依照,仿照:以…的风格或模仿…:
satires after Horace.
模仿贺拉斯的讽刺作品
With the same or close to the same name as; in honor or commemoration of:
纪念,以…命名:与…名字有相同或相近的名字;为纪念…:
named after her mother.
以他母亲的名字命名
According to the nature or desires of; in conformity to:
与…一致:根据…的本质或愿望;与…一致:
a tenor after my own heart.
深得我心的内容
Past the hour of:
…点以后:
five minutes after three.
三点过五分
adv.(副词)
Behind; in the rear.
在后;在后面
At a later or subsequent time; afterward:
接着,以后:在后来或接下来的时间;以后:
three hours after; departed shortly after.
三小时以后;不久就离开了
adj.(形容词)
Subsequent in time or place; later; following:
以后的,接着的:在时间和地点上继后的;以后的;接下来的:
in after years.
在以后的岁月里
Nautical Nearer the stern of a vessel.
【航海】 靠近船后部的
conj.(连接词)
Following or subsequent to the time that:
在…之后:紧接或继…之后:
I saw them after I arrived.
在我抵达之后,我见到了他们
n.(名词)
Afternoon.
下午,午后
before
adv.(副词)
Earlier in time:
在此之前:早些时候:
They called me the day before.
前一天他们给我打了电话
In front; ahead.
在…前面;在前头
prep.Abbr.bef.(介词)缩写 bef.
Previous to in time; earlier than.
…之前:在…时间之前;早于…
In front of.
在…前面
In store for; awaiting:
即将发生的;等待着的:
A young person's whole life lies before him.
年轻人的生命展现在他前面
Into or in the presence of:
进入,在…面前:
She asked that the visitor be brought before her.
她要求把访问者带到她的面前来
Under the consideration or jurisdiction of:
在考虑中,在审理中:
The case is now before the court.
这个案子现在已交庭审理
In a position superior to:
地位高于:
The prince is before his brother in the line of succession.
在王位继承权上,这个王子优于他兄弟
conj.(连接词)
In advance of the time when:
在…时间之前:
See me before you leave.
在你离开之前来见我
Rather than; sooner than:
宁可…也不愿;与其…宁可:
I will die before I will betray my country.
我宁可死也不会背叛我的国家
before 是在。。。。之前
after 是在之后
before
[bi5fC:]
adv.
在前, 以前
prep.
在...之前
conj.
在...之前, 与其...宁可
after
[5B:ftE]
adv.
prep.conj.在...之后, 在...后面, 模仿, 与...一致, 以...命名, 后来的, 后面的
could you please state some instance about the similarity of \"before,and after\"
then i can give you a exact answer