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介词。急!!!

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/25 10:36:20
请问介词怎样运用?
解题思路: 如下
解题过程:
介词是一种用来表示词与词、词与句之间的关系的虚词,在句中不能单独作句子成分。介词后面一般有名词代词或相当于名词的其他词类,短语或从句作它的宾语。介词和它的宾语构成介词词组,在句中作状语,表语,补语或介词宾语。根据介词的用法,介词可以分为时间介词、地点介词、方式介词、原因介词和其他介词。
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一、表示时间的介词
1)、时间三姐妹 at, in, on.
① at常用于“在几点几分”如:at 7:00am/pm及某些固定法如:at noon, at night中;
②in 表“在某年、某月、某季节”及泛指“在上午/下午/晚上”如: in 2006, in summer, in the morning/afternoon/evening,
③on 表“在某天及某天的上午/下午/晚上”如:
on Sunday, on May 2nd, on Monday morning, on a warm morning, on the morning of July 1st
2)、时间的前后 after, before
Eg. Don’t say that before you look at the picture.
After four days, she came to a deep river.
3)、时间的期限 by, till/until
Eg. By the time I arrived, she had already gone.
I won’t be free till/until Saturday afternoon
3)、时间的期限 by, till, until
Eg. By the time I arrived, she had already gone.
I won’t be free till Saturday afternoon.
4)、时间的期间 for, during
Eg. Florence often worked for twenty-four hours without rest.
During the lifetime of one man, it often happens a lot of things.
5)、时间的起点 from, since
Eg.The workers was made to work from 7 in the morning to 7 in the evening.
Since that time, my eyes had never been very good.
6)、时间的经过 in, within
Eg. I heard that she would be back in a month.
In this way, the message would be sent 500kms within a few hours.
二、地点和方位的介词
1、里面上面 in和 on, over, under 上下方, at在某一地点上。
2、 in front of 前,behind 后,in the middle of在中央。
3、 between两者, among仨, around表示在四方。
4、来自 from ,朝向to ,从中穿过用through ,表面跨过用across,沿着----走用along.
5、到上面 onto,进里面into ,在旁边用beside,在附近用 near (by).
三、表示手段和材料等的介词
1)by
Eg. What do you mean by this word?
I prefer traveling by train.
2)with—without
Eg. There is a cup with three legs.
You could cut it with a knife.
I went shopping with my mother.
She can’t finish her homework without the teacher’s help.
四、 其它介词。
1. with (1)在一起;
(2)有; 
(3)用某种工具
in 用什么材料或语言,或表示衣着,声调特点等
by 用…手段
2. like 象…一样    
as 作为;按照,象…一样(连词)+ 句子
3.for(1)为了(表示目的或原因) 
(2)(后面加一段时间)表示时间段
4. against 反对 except, instead of
5. about 关于
6. 动词+介词/副词”短语的区别
•turn on/off/up/down; look at/for/after/over/up; put on/up/away/down;
be used for/as/by; be made by/in/of/from
例如:
What’s this in English?
The girl always talks _in_ a tired voice.
The boy in a jacket is my brother.
We are for peace(和平) against war.(战争)
All the boys are here except Tom.
最终答案:略