初中英语介词知识点归纳总结
初中英语介词知识点归纳总结
初中介词的知识点比较多，为了帮助同学们更好的学习初中英语，以下是学习啦小编分享给大家的初中英语介词知识点归纳，希望可以帮到你!
初中英语介词知识点归纳
一、表示时间的介词
时间介词有in , on，at， after， since，during,by,before,after,until等，前三个介词用法有个口诀： at午夜、点与分，上午、下午、晚用in。
年、月、年月、季节、周，之前加上介词in。
将来时态多久后，这些情形亦用in。
日子、日期、年月日，星期之前要用on。
其余几组常见的时间介词辨析如下辨析如下：
1、时间介词in与after 的用法辨析
介词 in + 一段时间用于一般将来时。如：We’ll go to school in two weeks.
介词after + 一段时间用于一般过去时。如：My mother came home after half an hour.
介词after + 时间点常用于一般将来时。如：We’ll go out for a walk after supper.
2、时间介词for与since的用法辨析
介词for 表示一段时间如：I have been living here for 10 years.
介词since 表示从过去某一时间以来如：I have been living here since 2000.
3、时间介词before与by的用法辨析
介词before表示“在…之前”如：He won’t come back before five .
介词by表示“到…时为止，不迟于…”如：The work must be finished by Friday.
4、时间介词during与for的用法辨析
当所指的时间起止分明时用介词during如：He swims every day during the summer.
如果一段时间不明确则用介词for如：I haven’t seen her for years.
5、时间介词till与until用法的异同
till和until用在肯定句中，均可表示“直到…为止”，如：I will wait till(until)seven o'clock.
till和until用在否定句中，均可表示“在…以前”或“直到…才”。
如：Tom didn't come back till(until)midnight.
till多用于普通文体，而 until则用于多种文体，并且在句子开头时，用until而不用till如：Until he comes back，nothing can be done.
注意：在last, next, this, that, some, every 等词之前一律不用介词。
二、表示方位的介词
常用的表示方位的介词用法及辨析如下：
1、方位介词on, over, above的用法辨析
介词on表示一物放在另一物上面，两者紧贴在一起，如：The book is on the table.
介词over表示一种垂直悬空的上下关系，即“在…上方”，如：Is there any bridge over the river?
介词above表示一般的“高于…”，“在…之上”，如：There was an electric clock above his bed.
2、方位介词under与below的用法辨析
介词under是over的反义词即“在…下方”，如：They were seen under the tree.
介词below是above的反义词即“低于…”，“在…之下”，如：They live below us.
3、方位介词across,、through、over,、past的用法辨析
介词across着重于“从一头或一边到另一头或另一边”，强调从表面穿过。
如：She went across the street to make some purchases.
介词through着重于“穿越”，强调从一定的空间内穿过。
如：The sunlight was coming in through the window.
介词over多表示从“上方越过”，如：He failed to go over the mountain; he had to go round it.
介词past表示从“面前经过”，如：Someone has just gone past the window.
4、地点介词at与in的用法辨析
介词at表示较小的地方，如家、村、乡村等，如：He lives at a small village.
介词in表示较大的地方，如大城市、国家、洲等，如：He lives in Beijing.
5、表示东南西北的时候，地点介词in、on、to的用法辨析
介词in表示“包含”如：Beijing is in the north of China.
介词on表示“紧邻”如：Canada lies on the north of the U.S.
介词to表示“没接触”如：France lies to the south of England.
三、表示方式、手段、或工具的介词by,in,on,with.
1、by,in,on,表示交通方式。用by 时，交通工具前不用任何词;用 in和on 时，交通工具前用冠词或形容词性物主代词。例如by car=in a car,by bike=on a bike.
2、表示手段或工具，with后跟具体工具，如I write with a pen;in表示使用某种语言或墨水、颜色等原料，例如：in English.
四、介词的固定搭配
across from在对面
look for 寻找
look after 照顾
get on with 与某人相处
agree with 同意(某人)
arrive at(in) 到达
ask for 询问
begin…with 从……开始
believe in 相信
break off 打断
break out 爆发
bring down 降低
bring in 引进
bring up 教育，培养
build up 建起
burn down 烧光
call back 回电话
call for 要求约请
call on 拜访 访问
care for 喜欢
carry on 继续开展
carry out 实行开展
check out 查明 结帐
come about 发生，产生
come out 出来
come to 共计 达到
compare…with 与……比较
compare to 比作
cut off 切断
date from 始于
depend on 依靠
devote to 献于
die out 灭亡
divide up 分配
dream of 梦想
fall off 下降
fall over 跌倒
feed on 以……为食
get down to 专心于
get through 通过
初中英语介词常考误区提醒
1、掌握介词固定搭配
2、准确把握介词及介词短语的基本意义和用法。
典型例题1：Peter usually gets up early the morning.
A in B on C at D of
解析;这是2008年北京市的一道中考题，本题考查时间介词的用法。“在早上”应为in the morning.
答案：A
典型例题2：-How do you usually go to school?
- my bike.
A By B In C On
解析; 虽然介词by表示“乘坐”，但是它所接的名词前没有限定词，即by bike.而本题中bike 前有限定词my，这时应用on.
答案：C
初中英语知识点总结
一般现在时的用法
1) 经常性或习惯性的动作，常与表示频腮度的时间状语连用。
时间状语: every…, sometimes, at…, on Sunday
I leave home for school at 7 every morning.
2) 客观真理，客观存在，科学事实。
The earth moves around the sun.
Shanghai lies in the east of China.
3) 表示格言或警句中。
Pride goes before a fall. 骄者必败。
注意:此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。
例:Columbus proved that the earth is round..
4) 现在时刻的状态、能力、性格、个性。
I don’t want so much.
Ann Wang writes good English but does not speak well.
比较:Now I put the sugar in the cup.
I am doing my homework now.
第一句用一般现在时，用于操作演示或指导说明的示范性动作，表示言行的瞬间动作。再如:Now watch me, I switch on the current and stand back. 第二句中的now是进行时的标志，表示正在进行的动作的客观状况，所以后句用一般现在时。
2. 一般过去时的用法
1)在确定的过去时间里所发生的动作或存在的状态。
时间状语有:yesterday, last week, an hour ago, the other day, in 1982等。
Where did you go just now?
2)表示在过去一段时间内，经常性或习惯性的动作。
When I was a child, I often played football in the street.
Whenever the Browns went during their visit, they were given a warm welcome.
3)句型:
It is time for sb. to do sth "到……时间了" "该……了"
It is time sb. did sth. "时间已迟了" "早该……了"
It is time for you to go to bed. 你该睡觉了。
It is time you went to bed. 你早该睡觉了。
would (had) rather sb. did sth. 表示’宁愿某人做某事’
I’d rather you came tomorrow.
4) wish, wonder, think, hope 等用过去时，作试探性的询问、请求、建议等。
I thought you might have some. 我以为你想要一些。
比较:
一般过去时表示的动作或状态都已成为过去，现已不复存在。
Christine was an invalid all her life.
(含义:她已不在人间。)
Christine has been an invalid all her life.
(含义:她现在还活着)
Mrs. Darby lived in Kentucky for seven years.
(含义:达比太太已不再住在肯塔基州。)
Mrs. Darby has lived in Kentucky for seven years.
( 含义:现在还住在肯塔基州，有可能指刚离去)
注意: 用过去时表示现在，表示委婉语气。
1)动词want, hope, wonder, think, intend 等。
Did you want anything else?
I wondered if you could help me.
2)情态动词 could, would.
Could you lend me your bike?
3. used to / be used to
used to + do:"过去常常"表示过去习惯性的动作或状态，但如今已不存在。
Mother used not to be so forgetful.
Scarf used to take a walk. (过去常常散步)
be used to + doing: 对……已感到习惯，或"习惯于"，to是介词，后需加名词或动名词。
He is used to a vegetarian diet.
Scarf is used to taking a walk.(现在习惯于散步)
典型例题
---- Your phone number again? I ___ quite catch it.
---- It’s 69568442.
A. didn’t B. couldn’t C. don’t D. can’t
答案A. 本句虽没有明确的时间状语，但从语意上看 出，在听的时候没有听懂这个动作发生在过去，因此应用过去时。
4. 一般将来时
1) shall用于第一人称，常被will 所代替。
will 在陈述句中用于各人称，在争求意见时常用于第二人称。
Which paragraph shall I read first.
Will you be at home at seven this evening?
2) be going to +不定式，表示将来。
a. 主语的意图，即将做某事。
What are you going to do tomorrow?
b. 计划，安排要发生的事。
The play is going to be produced next month。
c. 有迹象要发生的事
Look at the dark clouds, there is going to be a storm.
3) be +不定式表将来，按计划或正式安排将发生的事。
We are to discuss the report next Saturday.
4) be about to +不定式，意为马上做某事。
He is about to leave for Beijing.
注意:be about to 不能与tomorrow, next week 等表示明确将来时的时间状语连用。
5. be going to / will
用于条件句时， be going to 表将来
will 表意愿
If you are going to make a journey, you’d better get ready for it a s soon as possible.
Now if you will take off your clothes, we will fit the new clothes on you in front of the mirror.
6. be to和be going to
be to 表示客观安排或受人指示而做某事。
be going to 表示主观的打算或计划。
I am to play football tomorrow afternoon. (客观安排)
I’m going to play football tomorrow afternoon. (主观安排)
7. 一般现在时表将来
1)下列动词:come, go, arrive, leave, start, begin, return的一般现在时表将来。这主要用来表示在时间上已确定或安排好的事情。
The train leaves at six tomorrow morning.
When does the bus star? It stars in ten minutes.
2)倒装句，表示动作正在进行，如:
Here comes the bus. = The bus is coming.
There goes the bell. = The bell is ringing.
3)在时间或条件句中。
When Bill comes (不是will come), ask him to wait for me.
I’ll write to you as soon as I arrive there.
4)在动词hope, take care that, make sure that等后。
I hope they have a nice time next week.
Make sure that the windows are closed before you leave the room.
11. 用于现在完成时的句型
1)It is the first / second time…. that…结构中的从句部分，用现在完成时。
It is the first time that I have visited the city.
It was the third time that the boy had been late.
2)This is the… that…结构，that 从句要用现在完成时.
This is the best film that I’ve (ever) seen.
这是我看过的最好的电影。
This is the first time (that) I’ve heard him sing. 这是我第一次听他唱歌。
典型例题
(1) ---Do you know our town at all?
---No, this is the first time I ___ here.
A. was B. have been C. came D. am coming
答案B. This is the first time 后面所加从句应为现在完成时，故选B。
(2) ---Have you ____ been to our town before?
---No, it’s the first time I ___ here.
A. even, come B. even, have come C. ever, come D. ever, have come
答案D. ever意为曾经或无论何时，反意词为never，此两词常用于完成时。 This is the largest fish I have ever seen. It is / was the first time +that-clause 的句型中，从句要用完成时。
注意:非延续性动词的否定形式可以与表示延续时间的状语连用。即动作不发生的状态是可以持续的。
(错)I have received his letter for a month.
(对)I haven’t received his letter for almost a month.
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