英语介词不许独立运用，必需带上宾语形成介词短语，或附丽在不迭物动词反面运用。英语不迭物动词不许径直带宾语，必需加上符合的介词本领带宾语。介词短语不妨在句子中充任状语，定语，宾语和宾语补语。 一．介词at/ in /on 表白功夫，做功夫状语 1).表白某一简直功夫点，某一功夫/ 年纪
at six o’clock六点钟 at noon 午时at that time其时 at the moment 那一刻at the age of在……岁时 at night 黄昏
2)in表白功夫段,一天的三个功夫段以及月份,年,时节,世纪,人生的某个功夫(或人几十岁时)in the morning早晨/ in afternoon 下昼/in evening 黄昏in spring 春天/in /in March 仲夏，in the twenty-first century 二十一生纪，in his fifties五十几岁
3)on表白礼拜几/某一简直的日子/简直某天的上昼/下昼/黄昏,表白一天中的三个功夫段动词前有化装语或后有化装语时.
On Monday evening礼拜一黄昏on a rainy night 一个降雨的晚上on the morning of April 1st ,2018，2018年4月1日早晨
二、表场所，做场所状语 1)at 普遍指较小的场所或较简直的场所at the station在车站 at the cinema 在影戏院
2)in 表白在较大的场所或一个有限空间里.in China在华夏 in the classroom 在讲堂里
3)on 指在某物体的外表上.on the desk在台子上
三.介词in /on / to 表方位的辨别 1.in表白A地在B地范畴之内.(包括联系)
Taiwan is ____ the southeast of China .（in）
2.on表白A,B地交界.(外切联系)
Hubei is ____ the north of Hunan .（on）
3.to表白A,B两地有确定的间距.(外离联系)
Japan is _____ the east of China .（to）
四. between 与among 的辨别 1.between :指两者之间. 在…….之间.
2.among :用来三者或三者之上人或物之间. 在……之中.
You sit _____ him and me .(between)
The song is popular ______ the students.(among)
五.after与in 的辨别 1)after + 功夫段. 表白以往日某一功夫为开始的一段功夫之后, 用来往日时.
2)after 作介词. after doing sth
3）.in +一段功夫. 表白谈话时或以此刻为开始的未来一段功夫之后.用来未来时.
He came back ______ two days .（after）
He will go home___finishing his homework .（after）
He will come back _____ two days .(in)
六.with 、 in 与 by 的辨别 1.with 表白 “用…” 普遍指无形的东西 / 本领 / 人体器官.
He cut the apple into halves ____ a knife .（with）
He came in _____ a big *** ile on his face .(with)
2.in表白用那种谈话,办法,道路. 或抄写/美术所用的资料. 也可表交通办法.
Can you say it _____English ?(in)
He wrote a letter ____ blue ink .(in)
3.by表白乘坐交通东西, 表白办法,本领
I study for a test _____ working with a group .(by)
He makes a living ____ selling newspapers .(by)
七.across 、through 、 over 、by 的辨别 1.across 指横穿,穿过. 表白举措从某一物体外表上过程.
2.through 指穿过,透过,表白从某一物体空间内经过.
3.over 表白从或人或某物的上空过程或穿过,不与外表交战.
4.by 表白从或人/某物的左右过程.
Can you swim ______ the river ?(across)
The elephant is so big that it can’t go _____ the gate .(through)
I don’t think anyone can jump ___ the fence.(over)
I walked _____ the bank of China yesterday .(by)
八.in front of / in the front of 的辨别
1.in the front of 表白在…….里面的前方
2.in front of 表白在……表面的前方
There is a desk in the front of our classroom .
There is a big tree in front of our classroom.
九．其它介词的用法：
1.at的其它用法.
1).表白 “从事或正在做某事”,后来加的动词常常不加冠词.
She is at work now = She is working now .
2)at表白 “价钱或速率”
The train ran at 120 kilometres an hour .
2.in的其余用法:
1)in表白 “在……上面” ， 短语:do well in = be good at ， be weak in
2)in 表白 “衣着”后接表脸色的词或衣物.
短语: be in +衣物 = be wearing +衣物
3)in作副词, “在教” = at home
3.like 的用法:
1).像/和……一律. 常与系动词连用. 短语: look like sound like
2).与what 连用, “是什么格式, 还好吗”.
What is he like ? He is kind .
4.off的用法:
1).从……下来, 摆脱某物体.短语: fall off
2). “放假”常常放在功夫动词之后. 短语: have +功夫+ off
He hasn’t had a night off for two hours .
5.except / besides
1).except 除去…….除外, 都……. . 不囊括在范畴之内. 注: nothing but … 除去……除外,什么也没有.
2).besides除去……除外,再有…… . 囊括在范畴之内.
We all went swimming ______ Lucy .(except)
There is _______ a letter in the box .(nothing but )
We study Japanese and French____ English .(besides)
6.with / without
1).with具备,含有 -----反义词: without 没有； 短语: with the help of = with one’s help =because of = thanks to ，
without one’s help
2).without 的用法:
A).without + *** ./ sth. 没有或人或某物
B).without + doing sth .
He left here without____(say ) “Goodbye “to us(saying)
C). without sth 常与if 启发的否认的前提句.
If there is no water , we can’t live .= We can’t live without water .
7.on the tree /in the tree
on the tree 表白 “树上自己长的货色” 在树上. 而in the tree 表白 “外界的物体加入树中” 人或物在树上.
There are some apples _____ the tree .(on)
There is a boy ____ the tree.(in)
8.since / for
注: since / for 用来此刻实行时.
1).since :a).since +功夫点 b). 此刻实行时+ since +普遍往日时c).since +一段功夫+ ago.
2)for: for +一段功夫= since +一段功夫+ ago
9.be made +介词的辨别:
be made of 由…制成 (看得见原资料)
be made from由…制成 (看不见原资料)
be made in +场所 由哪儿消费
be made by *** . 由或人创造
10.表白 “数目的介词”
about , round around over
1). about , round around表白 “大概……”
2).over 表白 “胜过”= more than.
11.inside / outside
Inside 在……内里 ------反义词:outside在….表面
12.in the wall /on the wall
in the wall 表白“窗门在墙上” on the wall 表白“某货色剪贴或挂在墙上”
十、.不必介词的情景: 1).当功夫状为: tonight, today, yesterday, tomorrow 等时,不必介词.
What are you going to do tonight ?
2).含有this, that, these, those, last, next, every, each等功夫状语.
He went to Wuhan last week .
3).以all 发端的功夫状语前方不必介词.
He has worked all day .
4).以some ,any, one 等形成的功夫状语前不必介词.
He met a bad man one cold morning .= He met a bad man on a cold morning .
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