介词有哪些英语,英语单词中介词有哪些?( 四 )


The bird is flying above my head.
There is a bridge over the river.
He put his watch on the desk.
3)below, under 在……下面
under表示在…正下方
below表示在……下,不一定在正下方
There is a cat under the table.
Please write your name below the line.
4)in front [frant]of, in the front of在……前面
in front of…意思是“在……前面”,指甲物在乙物之前,两者互不包括;其反义词是behind(在……的后面).
There are some flowers in front of the house.(房子前面有些花卉.)
in the front of 意思是“在…..的前部”,即甲物在乙物的内部.反义词是at the back of…(在……范围内的后部).
There is a blackboard in the front of our classroom.
我们的教室前边有一块黑板.
Our teacher stands in the front of the classroom.
我们的老师站在教室前.(老师在教室里)
5)beside,behind
beside 表示在……旁边
behind 表示在……后面
[编辑本段]
2.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+将来的时间点”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.since表示"自(某具体时间)以来",常用作完成时态谓语
的时间状语.
since liberation(1980)自从解放(1980年)以来 They have been close friends since childhood.
他们从小就是好朋友. (1)since the war是指"自从战争结束以来",若指"自从战争开始以来",须说"since
the beginning of the war".
(2)不要将since与after混淆.
比较:He has worked here since 1965.(指一段时间,强调时间段)自从1965年以来,
他一直在这儿工作. He began to work here after 1965.
(指一点时间,强调时间点)从1965年以后,他开始在这儿工作.