怎么区分英语中的时间点和时间段? 例:for 10 years ago , since ten years ago哪个是时间点哪个是时间段

为什么
2025-02-12 04:14:48
推荐回答(3个)
回答1:

同学,这个其实很好区分的,你主要是学习现在还没有抓到学习方法,要注意总结知识规律!这个只有多练之后才是捷径,介词 其实就是你区分时间点和时间段的一个暗示语!要注意留心了!下面是比较懒的我搜索,条件后的例子,你可以好好理解把握一下
to on at in of for
其他记不住不要紧,记住表示时间时 to 表示到什么时候,on表示在某日,at表示在某时刻,in表示在某段时间。以下用用例句说明:
It is 10 minutes to 12. 差10分钟就到12点。
I will call you on Sunday(Oct 1).我星期天(10月1日)给你电话)。
The meet will be ended at 10 AM. 会议将在早上10点结束。
I will go to Beijing in July. 我将在七月份去北京。

还有,on与动词结合往往表示精神上的东西,这个理解很管用。
如work on 说服别人,discuss on,谈论某事。

of和for两个介词也可以表示时间,of 表示在一个时期的某段时间里,for 则表示时间的长度(完成时态用得多)。例句:
I was studied very hard in the first year of my college. 我大学的第一年学习很刻苦。
I have worked in this foreign company for ten years.我在这家外国公司工作10年了.
表示时间的介词
1)in , on,at 在……时
in表示较长时间,如世纪、朝代、时代、年、季节、月及一般(非特指)的早、中、晚等。
如 in the 20th century, in the 1950s, in 1989, in summer, in January, in the morning, in one’s life , in one’s thirties等。
on表示具体某一天及其早、中、晚。
如on May 1st, on Monday, on New Year’s Day, on a cold night in January, on a fine morning, on Sunday afternoon等。
at表示某一时刻或较短暂的时间,或泛指圣诞节,复活节等。
如at 3:20, at this time of year, at the beginning of, at the end of …, at the age of …, at Christmas, at night, at noon, at this moment等。
注意:在last, next, this, that, some, every 等词之前一律不用介词。如:We meet every day.
2)in, after 在……之后
“in +段时间”表示将来的一段时间以后;
“after+段时间”表示过去的一段时间以后;
“after+将来点时间”表示将来的某一时刻以后。
3)from, since 自从……
from仅说明什么时候开始,不说明某动作或情况持续多久;
since表示某动作或情况持续至说话时刻,通常与完成时连用。
4)after, behind 在……之后
after主要用于表示时间;
behind主要用于表示位置。
时间名词前介词用法口诀
年前周前要用in
具体日子却要禁
遇到几号要用on
上午下午又是in
要说某日上下午
用on换in记清楚
午夜黄昏用at
黎明用它也不错
at用在时分前
说“差”可要用上to
说"过''要用past
[编辑本段]3.表运动方向的介词:
across, through 通过,穿过
across表示横过,即从物体表面通过,与on有关;
through穿过,即从物体内部穿过,与in有关。
[编辑本段]4.表示“在……之间”的介词:
between, among
between指在两个人或两个事物之间;
among指在三个或三个以上的人或事物之间
英语的知识点 其实课本中有很多经典的呈现 课下要注意练习和总结!加油了同学,还有很多 不变一一概述,要靠自己勤奋来发现和学习,加油!

回答2:

for 10 years ago ,说法错误,不应该加ago,是时间段。
since ten years ago 是时间点 。

回答3:

for 10 years 有十年之久
since ten years ago 自从十年前

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