介词用法大全。
1.表时间的介词。
1). at in on
at表示“在。期间,在。时刻,在。
岁时”常用短语:at noon; at night; at six o’clock;at the age of five;at christmas;
in 表示某世纪,年份,月份,季度,上下午晚上。常用短语:in winter, in september, in the morning / afternoon / evening.
in the 20th century,in 1999.
on 表示具体某一天,日期,星期,节日,具体某一天的早中晚,星期几的早中晚,具有某种特征的早中晚。常用短语: on march 18th 1990, on sunday, on monday morning, on the morning of june 24th, on a cold morning .
2) for during through
for 表示“长达。时间”,后接时间段 eg: she has been ill for several days.
during 表示“在。期间” eg: i went to france for two weeks during the summer.
through 表示“一直, 自始至终” eg: they worked through the night.
3) from since
from 表示“ 时间的起点”, 从。起, 多用与 “from ..to / till ”结构中。
eg: you can come anytime from monday to friday.
since 表示 “ 自从 ..以来直到现在”
eg: we h**e known each other since ten years ago.
注意:for since 都与完成时连用,但for是加时间段,since 加时间点。eg: for two hours,since last week.
4) before, by, till, until
before 指“在。之前”,与 after 相对。
eg; please come before ten o’clock.
by 指 “不迟于,到。为止,在。之前”后常与完成时连用。
eg: we will h**e learned 2000 english words by the end of this term.
till ( until) “直到”。 在肯定句中, 必须与延续性动词连用; 在否定句中,till until 常与非延续性动词连用。
eg: you must wait till tomorrow.
i didn’t go to bed until 12 o’clock.
5) after , in , within
after 表示在。之后 , 可用于过去时和将来时。
eg: my sister came back from america after three years.
in 用于将来时, 后接时间段。
eg: i’ll come to see you again in a few days.
within 表示“在。之内”。强调事情发生的全过程不超过某一时间,没有时态限制。
i can finish it within an hour。
二.表示地点,方位的介词, on ,in , to
at 加小地点 。
on表示两地接壤。
to表示两地不接壤。
in加大地点,或表示在某范围内。
eg: guangdong isthe southeast of guangxi.
fujian liesthe south of jiangsu and all of them arechina.
he arrives __school at eight.
2. on above over
on 表示在。之上,两者接触。反义词是beneath.
above 表示位置高于某物, 两者不接触, 不一定在正上方,反义词是below.
over 表示在某物的正上方,反义词是under.
eg: there is a glassthe table.
there was a lamp hanging __the desk.
there is a clock __above the map.
3. along , through, across
along表示沿着某一路径行进
through 意为穿过, 表示从内部穿过通常穿过 park forest window hole 等。
across 表示横穿, 强调从一物体的表面穿过。穿过内容通常为 street , dessert , river 等。
eg: i saw them running together __the road yesterday.
they walkedthe square and thenthe dark forest.
4. betweeen among
between 指在。之间, 通常指两者,常和and 连用。
among 指在。之间,指三者或三者以上。
eg; the building standsthe park and the small river.
we will visit a town among the mountains.
3.其他用途的介词。
1. 表示 “ 标准或单位 ” 的介词 :at for by
at 表示以 ..速度 , 以 ..**
for 表示用。交换。
by 表示以 ..计,后跟度量单位。
eg: he drove at a speed80 miles an hour.
i sold my car20,000 dollars.
they paid himthe month.
2. 表示工具或手段的介词:by with on
by 表示1)靠 ..手段 , 用 ..方法,凭借,后可以接名词,代词,动名词。
2)加表示交通工具的名词, 表交通方式。 注意,名词前不加冠词。eg: by bus, by taxi, by train, by ship
3) 加交通方式的名词, 用来表示交通方式。eg; by land , by water, by sea. by air.
with 表示用工具, 加工具或身体部位。
eg: please write with a pencil.
we can see with our eyes.
3. 表示材料的介词: of from
of 表示可以看出原材料。
from 表示不能看出原材料。
eg: this box is made*****.
bread is madewheat.
4. 表示关于的介词: of about on
of 表示关于人或物的存在。
about 表示关于人或物的较详细的情况。
on 表示关于学术性的或较严肃的,供专门研究用的。
eg: he spoke of the film the other day.
i happened to know about him.
it’s a textbook on the history of china.
5. 表示刻度, 温度, 气压, 深度, 海拔等的介词: at above below.
在某一具体刻度用at
高于某一具体刻度用 above
低于某一刻度用 below
eg: at the normal pressure, at the depth of fifty meters
6. 表示像。一样的介词:like as
like表示像 ..一样其实不是。
as 作为,以 ..身份, 其实是。
the little tiger looks like a cat.
he talked to me as a father.
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