how long可以用于什么时态
how long是多久的意思,那how long可以用在什么时态呢?下面是学习啦小编为你整理的how long的时态的相关资料,希望对大家有用!
how long的时态
how long
多久; 多长;
表示段时间,与答句中的for连用,表示段时间.how long~……for 3days
现在完成或进行时:how long is...
过去式:how long was...
将来时:how long will...
how long的常见用法
1. There's no telling how long the talks could drag on.
谁也说不准谈判还会拖多久。
2. It is an open question how long that commitment can last.
这一承诺能维持多久还不确定。
3. How long he'll be able to do so is a moot point.
不知道他还能这样做多久。
4. "How long have you lived here?" — "Twenty odd years."
“你在这里住多久了?”——“20多年了。”
5. How long is the usual stay in hospital?
住院通常要多长时间?
6. How long is the tunnel?
隧道有多长?
7. How long did you stick it for?
你坚持了多久?
8. How long have you lived around here?
你住在这一带有多长时间了?
9. How long would the roof hold?
房顶能支撑多久?
10. How long will I be under the anaesthetic ?
我会麻醉多长时间?
how long 和how soon 的用法和区别
how long "多长时间“一般用于现在完成时态
how soon "多久以后”一般用于将来时态
how long,how soon和how often都含有how,并且都和“多长时间、多久”有关,但它们的用法不相同.
how long意为“多久、多长时间”,主要是对一段时间进行提问,答语通常是(for)three days/weeks/months等时间段,它可用于各种时态.
How long do you stay in Beijing every year?每年你在北京住多久?
How long have they lived here?他们住在这里有多久了?
—How long were you not at school last year?去年你多久没上学?
—About two weeks.约两周.
how soon意为“还要多久”,是对从某个基本时间到将来某动作结束或某动作发生这段时间提问,常用在一般将来时态的句子中,其答语通常是“in + 一段时间”.
—How soon can you finish the work?还要多久你能完成这项工作?
—In half an hour.半小时后