until的用法

until可以用作介词和连词,可以翻译为到…为止、在…以前等 。用法有:1、在含有until引导的时间状语从句中,如果句子(主句)的谓语动词是延续性动词(即动作可以延续一段时间的动词),如:work,live,stay,study,play,wait等,那么这个句子(主句)常常用肯定式,表示动作一直延续到until所表示的时间为止 。这时until可译作“直到…为止” 。例如:I'll work until he tells me to stop.我会一直工作到他叫我停下来为止 。
【until的用法】

until的用法

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2、在含有until引导的时间状语从句中,如果句子(主句)的谓语动词是非持续性动词(即动作一会儿就结束的动词),如:come,go,leave,begin,start,finish等,那么这个句子(主句)常常要用否定式,表示某一动作到until所表示的时间才发生 。not…until…意为“直到…才…” 。例如:She didn't go to bed until she finished her homework.她直到做完作业,才去睡觉 。
3、until用作连词引导时间状语从句时,从句表示的如果还没有发生,习惯上也要用一般现在时而不用一般将来时,也就是说当主句用一般将来时(或主句是祈使句时),until引导的时间状语从句要用一般现在时 。例如:Don't leave until we come back.在我们回来之前,不要离开 。
until的用法例句until用于肯定句中时,句子的谓语动词必须是延续性动词 。
My teacher works in the office until 6 o’clock in the afternoon.
我的老师在办公室一直工作到下午6点 。
在…not…until…句型中,主句的谓语动词要用终止性动词,如start,leave,arrive,finish,stop等,表示从句的动作完成,主句的动作才刚发生 。
The boy didn’t leave his room until he finished his homework.
小男孩做完作业才离开房间 。
当主句使用一般将来时态时,until引导的从句用一般现在时 。
He won’t give up until you tell him the truth.
在你告诉他真相之前,他是不会放弃的 。
until的短语1、until now.到目前为止;直到现在;至今;迄今 。
2、Until dried.直至胶水凝固 。
3、Until when.要到什么时候;直到当;何时才 。
4、until down.直到黎明 。
5、Until it.直到才;直到 。
双语例句We didn't leave until the very end.
我们直到最后才离开 。
We will explore every avenue until we find an answer.
我们要探索一切途径,直到找到答案为止 。
Can you last until I can get help?
你能支撑到有人来帮我吗?
I won't go until I'm good and ready.
我要完全准备就绪后才走 。
By law,you are a child until you are 18.
按照法律规定,18岁之前是未成年人 。
It took time until the political situation had normalized.
政治局势过了很长时间才恢复正常 。
No decision will be taken on the matter until next week.
到下星期才会对这一问题作出决定 。
Things were going fine until you showed up.
你一露面就把事情搞糟了 。
Don't leave your packing until the last possible moment.
打点行李不要拖到最后一刻 。
You're not going out until you've finished this.
你不把这事做完就不准出去 。
This special offer is valid until the end of the month.
这个特价优惠月底前有效 。
She wanted to continue working until she was 60.
她想要继续工作到60岁 。
Follow this road until you get to the school,then turn left.
沿着这条路走到学校,然后向左拐 。
You may stay until morning,if you wish.
如果你愿意,你可以一直待到早晨 。
Keep on until you get to the church.
一直往前走到教堂 。
The money will be held in trust until she is 18.
这笔钱将由人代管到她18岁为止 。
Let's park that until our next meeting.
咱们把这留到下次开会时再处理吧 。
You have to wait until the drugs have passed out of your system.
你必须等到药物排出体外 。
She will continue in her present job until a replacement can be found.
在找到替换人员以前,她将继续做她目前的工作 。
The government has shelved the idea until at least next year.
政府决定把这个想法先放一放,至少推迟到明年再说 。

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