介词知识点梳理

介词定义介词通常是用来表示它后面的名词或起名词作用的短语、从句与句中其他成分关系的词eg.There is a kite in the sky.介词in用来表示kite与sky的关系分类时间

介词定义

表示时间的介词分类at、in、on、before、after、from 表示具体的钟点

用法：

表示具体的时刻，常与o'clock,half past six等表示具体时间的短语连用。

eg. He always gets up at seven every morning.

表示人的年龄习惯用语 at the age of

表示在...岁时，常用于一般过去时

eg. I was in primary school when I was at the age of 7.

表示一段时间在...期间,

eg.It is very cold at night.

表示一段时间, 常与表示月份和季节的词连用，也可用于习惯用语中。

eg. Flowers come out in spring.春天花开。

表示具体的某一天, 在...那天，

常与day和表示星期，节日的词连用

eg.We have seven.classes on Monday.

在...之前eg.We have to finish the work before Thursday.我们必须在星期四之前把工作做完。在...之后eg.The boys often play football after school.从...有从...时开始的意思，常与介词to连用，from...to...从...到...eg.We have classes from Monday to Friday.ps:from...to...也可表地点 eg.This train is from Beijing to Tianjin.方位介词表示位置和地点的介词分类在...上面onoverabove两个物体的表面相互接触eg. There is a book on the desk.（书紧贴着桌面）在...正上方，两个物体表面没有接触。eg.A book is hung over the desk.书悬挂在课桌上方（书与课桌没有接触）在...上方，不一定是正上方，两个物体表面没有接触。eg. A lot of birds are flying above the trees.好多鸟在树的上空飞。在...下面under在...正下方eg.There is a cat under the table.below在...下方，不强调是否位于正下方。eg. Our classroom is below theirs.我的的教室在他们教室的下面。在...里面in也可以用来表示在一个很大的空间内。eg. There are some books in the box.在...旁边at表示在某个地点eg.My family are eating at a table.我们一家人正坐在桌子旁吃饭。在...周围about/around把...围绕起来，两个词意思基本相同eg.There are some trees about/around our school.在...后面behind与 in front of在...前面，刚好意思相反eg.There is an apple tree in front of the house.房子前面有颗苹果树。=there is a house behind the apple tree.苹果树后面有座房子。两者之间betweeneg.The office building is between the swimming pool and the playground.办公楼在游泳池和操场之间。

介词知识点梳理

介词定义介词通常是用来表示它后面的名词或起名词作用的短语、从句与句中其他成分关系的词eg.There is a kite in the sky.介词in用来表示kite与sky的关系分类时间介词定义表示时间的介词分类atinonbeforeafterfrom表示具体的钟点用法表示具体的时刻常与o'clock,half past six等表示具体时间的短语连用eg. He always gets up at seven every morning.表示人的年龄习惯用语 at the age of 表示在...岁时，常用于一般过去时eg. I was in primary school when I was at the age of 7.表示一段时间在...期间eg.It is very cold at night.表示一段时间常与表示月份和季节的词连用，也可用于习惯用语中。eg. Flowers come out in spring.春天花开。表示具体的某一天在...那天，常与day和表示星期，节日的词连用eg.We have seven.classes on Monday.在...之前eg.We have to finish the work before Thursday.我们必须在星期四之前把工作做完。在...之后eg.The boys often play football after school.从...有从...时开始的意思，常与介词to连用，from...to...从...到...eg.We have classes from Monday to Friday.ps:from...to...也可表地点 eg.This train is from Beijing to Tianjin.方位介词表示位置和地点的介词分类在...上面onoverabove两个物体的表面相互接触eg. There is a book on the desk.（书紧贴着桌面）在...正上方，两个物体表面没有接触。eg.A book is hung over the desk.书悬挂在课桌上方（书与课桌没有接触）在...上方，不一定是正上方，两个物体表面没有接触。eg. A lot of birds are flying above the trees.好多鸟在树的上空飞。在...下面under在...正下方eg.There is a cat under the table.below在...下方，不强调是否位于正下方。eg. Our classroom is below theirs.我的的教室在他们教室的下面。在...里面in也可以用来表示在一个很大的空间内。eg. There are some books in the box.在...旁边at表示在某个地点eg.My family are eating at a table.我们一家人正坐在桌子旁吃饭。在...周围about/around把...围绕起来，两个词意思基本相同eg.There are some trees about/around our school.在...后面behind与 in front of在...前面，刚好意思相反eg.There is an apple tree in front of the house.房子前面有颗苹果树。=there is a house behind the apple tree.苹果树后面有座房子。两者之间betweeneg.The office building is between the swimming pool and the playground.办公楼在游泳池和操场之间。

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