初中英語語法總結之介詞&mdash&mdash小編整理了關於初中英語語法介詞知識點總結以供各位同學參考和學習，希望對於大家的英語的學習有所幫助和裨益，也希望對於大家備戰 英語有所幫助，祝大家的英語成績越來越好!
常用介詞介紹
(一)表示時間的介詞：
1.at, on, in
(1)at表示在某一時刻、某一時點
at5:30 在5:30 at sunrise日出時 at lunch午飯時 at noon 正午時 at night夜間
I get up at 6:00 everyday.我每天6:00起床。
表示在歲時用at the age of。
如：at the age of five.在五歲時。
(2)on表示在具體某一天或某天的上、下午。如：
on Monday在星期一 onApril1st在四月一日
I heard a shot on the morning of March 18.三月十八日早晨我聽到一聲槍響。
泛指上、下午、晚上、夜間時用in the morning/afternoon/evening, at night但若指具體某一天的上述時段時，則一律用on。
如：On the afternoon of May 23.在五月二十三日下午。
(3)in表示在某月、季節、年、世紀以及泛指的上、下午、晚上。
In September 在九月 in winter 在冬季 in1999 在1999年 in the 20th century 在20世紀
in the morning/afternoon/evening在上午/下午/晚上
2.for, during, through
(1)for表示一段時間，後接與數詞連用的時間名詞。多與完成時連用。
Ive been a soldier for 5 years.我入伍已5年了。
She has been ill for several days.她已經病了幾天了。
表示持續一段時間時，for後面必須跟數字+時間名詞，而during後決不可接數字。
(2)during表示在期間
He visited many nice places during his stay here.在他逗留期間他參觀了許多美麗的地方。
What did you do during the summer vacation?你在暑假做了什麼?
(3)through表示一直，自始至終
They worked hard through the winter.整個冬天他們都在努力工作。
She treated me like her brother through these years.這些年來她始終把我當哥哥對待。
3.from, since
(1) from表示等時間的起點，作從解，多用於fromto/till中。
You can come any time from Monday to Friday.周一至周五你什么時間來都行。
The exam will start from 9:00 a.m.考試將從上午九點開始。
①from從(開始)未必持續到現在，如：
from 1995 to 1998.從1995年到1998年。
而since是指自從以來一直持續到現在
②since一般只與現在完成時連用，而from不受此限。
(2)since表示自從以來(直到現在)
He has been away from home since 1973.他自從1973年就離開了家鄉。
We have known each other since ten years ago.我們十年前就認識了。#p#分頁標題#e#
for與since表示一段時間，但for與時間段連用，而since與時間點連用。
如for two hours(持續)兩小時since last week自從上周直到現在
4.before, by, till, until
(1)before指在之前
Please come before ten oclock.請10點以前來。
The meeting will end after 3:00 p.m. 會議將在下午三點後結束。
表示在以前時，before與by基本可通用。但by還有截至為止之意，此時可與完成時連用，而before一般不與完成時連用。如：
How many models have you made by the end of last month?
截至上月底你做了多少個模型?
(2)by指不遲於，到時為止，在以前
I must finish my home work by lunch.午飯前我必須做完作業。
We had learned over 1000 words by the end of last term.
到上學期末為止，我們已經學了1000多個單詞了。
(3)tell(until)直到為止
You must wait for him till tomorrow.你必須一直等到他明天。
He didnt come back until twelve oclock last night.他昨晚下到12點才回來。
在肯定句中，till(until)必須與延續動詞連用。若與點動詞連用，till(until)只能用於否定句中。
5.after, in, within
①after表示在之後，是before的反義詞。
Well hold a party after dinner.晚餐後我們將舉辦晚會。
He got a cancer and died after a year.他患了癌症，一年後去世了。
Ill phone you after I arrive.到達後我給你打電話。(after作連詞)
②within在時間之內
I can finish it with an hour.我不需一小時就可把它做完。
比較 after與in
①after後可跟時間段，也可跟時間點，如after school(放學後)，
而in後必須跟一段時間，如in an hour(一小時後)。
②after既可用於將來時，也可用於過去時，而in只能用於將來時。
③after既可作介詞，又可作連詞，而in只能作介詞②in在時間之後
Ill arrive in an hour.我一小時後到達。
in與within後都必須跟時間段。
(二)表示地點、方向的介詞：
1.In out side between, among
①in表示在裡面，如：
Whats in the box?盒子裡是什麼?
She put her book in the desk.她把書放進了書桌。
②outside指在外面
There are many people out side the room.房間外有很多人。
What did you see out side the hall?你在大廳外看見了什麼?
③between在之間(指二者)
There is a hospital between the hotel and the post office.在賓館與郵局之間有所醫院。
The building stands between the park and the small river.那棟建築位於公園和小河之間。
between是指在兩者之間，而among指在多個之間。#p#分頁標題#e#
④among在之間(指三者以上)
There is a thief among you. The policeman shouted to the crowd.
警察向人群喊道：你們中間有個小偷!
He found his place among the crowd.他在人群中找到了他的位置。
2.on, above, over, below, under
(1)on在上面，表面相互接觸。
There is an apple on the table.桌上有一個蘋果。
On the top of the hill, there is a flag.山頂有一面旗子。
(2)above只表示在上方或位置高出，與below相對。
A plane flew above our heads.一架飛機從我們頭上飛過。
The Turners live above us.特納一家人住在我們的上面。
(3)over在正上方，與under相對。
There is a bridge over the river.河上有一座橋。
The picture is hanging over the blackboard.那張圖掛在黑板的正上方。
(4)below在下方，低於
There are many flowers below the window.窗下有很多花。
Her skirt reaches just below her knees.她的裙子剛到膝蓋下。
(5)under在正下方
They sat under a big tree, drinking.他們坐在一棵大樹下喝酒。
What are you wearing under your coat?你外套裡面穿了什麼?
3.near, by, beside
(1)near在附近，與far相對
A hospital was built near the railway station.在火車站附近建了一所醫院。
My hone is near the school.我的家離學校很近。
(2)by=beside,靠近，在旁邊，比near距離更近
He just sat by/ beside me in the cinema.在電影院他就坐在我旁邊。
He lay down beside the statuary.他在雕像旁躺下了。
4.In front of, behind, around
(1)in front of在前面
A river flows in front of the house.房子前有一條河
They put a bunch of flowers in front of the door.他們在門前放了一束花。
In the front of表示在前部，指裡面。
There is a red chair in the front of the room.在房間前半部有把紅椅子。
(2)behind在後面
A high building stands behind the village.村子後面有一高層建築。
The cat lies behind the door.貓躺在門後面。
(3)around在周圍，圍繞
There are many trees around the village.村子周圍有很多樹圍繞。
There are flowers around the stage.舞臺周圍擺著鮮花。
5.from, to, for, into, out of
(1)from從
The train started from Paris.火車發自巴黎。
She will fly from Beijing to Hong Kong.她將從北京飛往香港。
(2)to到(目的地)去，向
He went to Germany last year.他去年去了德國。
They got to the town very late.他們很晚才到那個鎮。
(3)for向，表目的方向
#p#分頁標題#e#
He left for Tianjin on business yesterday.他昨天出差去天津了。
The train for Shanghai has been away.去往上海的火車已經開走了。
towards, to和for都可表示向，其區別如下：
①towards僅指朝向某個方向，不一定是目的地，而to和for都是向目的地。
②for作向(目的地)時，常用於固定搭配中，如：leave for start for
(4)into進入
Please put the water into the bottle.請把水倒入瓶子裡。
The teacher came into the classroom with a smile.老師微笑著走進了教室。
(5)out of從出來
A beautiful girl in red went out of the shop.一個穿紅衣服的漂亮女孩從商店裡走了出來。
They pulled him out of the water.他們把他從水裡拉了出來。
6.along, across, through
(1)along沿著
He likes to drive along the river.他喜歡沿著河開車。
There are all kinds of beautiful flowers along the road street.沿街有著各種美麗的花。
(2)across橫穿
The little girl is afraid to go across the street.這個小女孩不敢橫穿馬路。
Its dangerous to run across the busy road.跑著穿越繁忙的馬路是很危險的。
(3)through穿過
It took us ten minutes to drive through the tunnel.開車穿過這條隧道花了我們10分鐘時間。
He pushed his way through the crowd to the plat form.他從人群裡擠到了站臺。
7.at, in
二者都表示在某個地方，但at多指較小的地方，如車站、家等，而in多指在大地方，如城市、國家、大洲等。(但大小有時也是相對的)。
He lives at No.27 Zhongshan street in Nanjing.他住在南京市中山路27號。
TheplanewillarriveinBeijingat13:00.飛機將於13點到達北京。
三、其它用途的介詞：
1.表示標準或單位的介詞：at, for, by
(1)at表示以速度以價格
He drove at a speed of 80 miles an hour.他以每小時8英裡的速度行駛。
I sold my car at a high price.我以高價出售了我的汽車。
(2)for用交換
I bought it for 20 dollars.買它花了我20美元。
How much for these apples?這些蘋果多少錢?
at與for都表示價格，但at表示單價,for表示總價,at後一般跟price這個詞，而for後只能跟總錢數。
如：I bought it at a low price.我買它的價格很低。
I bought it at the price of $80 a pound.我以每磅80美元的價格買的它。
I sold it for $10.我10美元把它賣掉了。
(3)by以計，後跟度量單位
Gold is sold by the gram.金以克出售。
They paid him by the month.他們按月給他計酬。
2.表示材料的介詞：of, from, in
(1)of表示從成品仍可看出原料。#p#分頁標題#e#
This box is made of paper.這個盒子是紙做的。
This salad is made of apples and strawberries.這種沙拉是由蘋果和草莓做的。
(2)from表示從成品已看不出原料。
Bread is made from wheat.麵包是小麥做的。
The lifeboat is made from some special material.這個救生艇是由某種特殊材料製成的。
(3)in用材料。 常用write, speak, talk, answer等連用。
Please fill in the form in pencil first.請先用鉛筆填寫這個表格。
They talk in English.他們用英語交談。
in指材料時，材料前不用冠詞。 比較：用鉛筆畫
3.表示工具或手段的介詞：by, with, on
(1)by憑藉工具或手段(多用於交通工具)如： by bus乘公共汽車，by plane乘飛機
He usually goes to work by bike.他通常騎車去上班。
He sent the news to me bye-mail.他通過電子郵件發給了我這一消息。
表示搭乘交通工具時，既可用by，又可用in，區別在於用by時，表示交通工具的名詞前不能加冠詞，而用in時名詞前必須加冠詞。
(2)with用工具
He broke the window with a stone.他用石頭把玻
He stopped the ball with his right foot.他用腳把球停住。
with表示用工具時，工具前必須加冠詞或物主代詞。
(3)on以方式。多用於固定詞組。
They talked on the telephone.他們通過電話進行交談。
She learns English on the radio /on TV.她通過收音機/電視學英語。
4.表示關於的介詞：of, about, on
(1)of僅指關於人或事物的存在，如：
He spoke of the film the other day.他前幾天提到了這部影片。
He thought of this matter yesterday.他昨天想到了這件事。
He thought about this matter yesterday.他昨天考慮了這件事。
(2)about指關於某人或某事物的較詳細的情況。
Its a book for children about Africa and its people.
它是一本供兒童閱讀的關於非洲和非洲人的書。
Can you tell me something about yourself?你能告訴我一些關於你自己的事情嗎?
(3)on是指關於學術性的或嚴肅的，供專門研究用的。
Its a textbook on the history of China.它是一本有關中國歷史的教科書。
5.表示原因、理由的介詞：for, at, from, of, with
(1)for表示一般的理由常與famous, punish等詞連用。
Xian is famous for its long history.西安因歷史悠久而著名。
The city is well known for her large population.這座城市以人口眾多而知名。
(2)at一般指情感的原因，通常放在表示驚訝或喜悅等感情的動詞或形容詞之後，表示因聽到或看到而。
She got angry at his words.她因為他的話生氣了。#p#分頁標題#e#
He was surprised at the news.聽到這消息他大吃一驚。
(3)from表示外在的原因。如受傷、車禍等。
He died from the wound.他因受傷而致死。
Her son was badly hurt in a traffic accident.她兒子在一次車禍中嚴重受傷。
(4)of表示內在的原因，如病、餓等到。
He died of cancer.他死於癌症。
The old man died of hunger.老人死於飢餓。
(5)with表示由外在影響到肉體或心理的原因。
He shook with cold.他因寒冷而發抖。
He shouted loudly with anger.他氣得大喊大叫。
6.like, as
(1)like像一樣(其實不是)
The little tiger looks like a cat.這隻小老虎看起來像只貓。
The mooncakes are like the moon.月餅像月亮。
(2)as作為，以身份(其實是)
He was hanged as a spy.他被作為間諜絞死了。
He talk to me as a father.他以父親的身份跟我談話。
7.against, for
against反對，與for是反義詞，如：
Are you for my idea or against it?你贊同還是反對我的想法?
They fought against the enemy.他們抗擊敵人。
8.besides, except都表示除了。besides的用法就等於aswellas。
He is interested in tennis besides(as well as)football. 除了足球，他還對網球感興趣。
(1)besides是包括後面所提人或物在內的除了，可以理解為除之外還、除之外又，表示兩部分的相似性。
Twenty-five students went to the cinema besides him.
除他以外，還有25個學生去看了電影。(他和另外25人都去了)
We like biology besides English.除了英語外，我們還喜歡生物。(生物和英語都喜歡)
(2)except是指不包括後面所提人或物在內的除了，可以理解為撇開不談,表示兩部分的不同。
Every one is excited except me.除我以外的每個人都很激動。(他們激動，而我卻不激動)
All the visitors are Japanese except him. 除他以外的所有遊客都是日本人。(其他人是日本人，可他不是)
在以下幾種情況中，介詞常常省略。
1.當表示時間的詞前有this, that, next, last, every, each, some, any, all等時，介詞應省略。
We watched an exciting football match last week.(last week前不能用介詞in等)
上周我們看了一場激動人心的足球賽。
Come any day you like.你想哪天都行。
Come on any day you like.(×)
next前可以加冠詞，但意義不同。
Next week下周(以現在為起點)
the next week第二周(以過去某時為起點)
2.表示時間的名詞前有不定冠詞，且不定冠詞作每一解時，前面不用介詞，
每小時80英裡。#p#分頁標題#e#
80milesinanhour.(×)
80milesanhour.()
An apple a day keeps the doctor away.每天吃一個蘋果，醫生不找我。
3.含有way的短語。如：in the same way, in this/that way, in another way等用於句末時，in常省略。
She did it the same way.她用同樣的方法做的。
三、介詞的固定搭配
1. At
be good at 精通於
be annoyed at 對煩惱
be angry at 對 (事) 發怒
(take) aim at 瞄準
laugh at 因而發笑
stare at 盯著看，凝視
at the best 充其量
at first 開始
at large 自由地
at least 至少，起碼
at length 最後，終於
at once 立即，馬上
at present 現在
at rest 休息，靜止不動
at times 間或，有時
He was angry at his brother's remark.
他對他兄弟的批評很惱火。
I don't know him but he has been staring at me for ten minutes.
我不認識他，但是他盯了我足有十分鐘。
The foreign countries' attempt at a blockade of the port was unsuccessful.
外國試圖對這個港口實施封鎖，但沒有成功。
I know I am at fault.
我知道我錯了。
The escaped prisoner is still at large.
那逃犯仍逍遙法外。
He is at present away on his holidays.
他現在到外地度假去了。
2. About
careful about 小心
particular about 對講究
careless about 粗心
doubtful about 對懷疑
sure about 肯定
concerned about 擔心
a complaint about 抱怨，叫屈
bring about 導致，引起
care about 關心，介意
leave about 亂放，亂扔
fuss about 大驚小怪
anxious about 擔心，想念
例如：
How did it come about?
那事是怎樣發生的?
She is crazy about pop music.
她對流行音樂著了迷。
English people are always making complaints about their weather.
英國人老是埋怨天氣不好。
He is enthusiastic about the music of Brahams.
他熱衷於布拉姆斯的樂曲。
Harry likes eating very much but he isn't very particular about the food he eats.
哈裡很愛吃，但對他所吃的食物倒並不講究。
3. Against
fight against 反對
immune against 免除
vote against 投票反對
protect against 保護免受
stand against 反對，經受住
an accusation against 控制，譴責
a prejudice against 偏見，萬歲
guard against 防護
protest against 反對，抗議#p#分頁標題#e#
rise against 起來反抗
run against 對不利，違反
strive against 和鬥爭
a defence against 防護，保衛
a protest against 抗議，反對
例如：
I protest against their criticism.
我對他們的批評提出抗議。
He made a false accusation against his boss.
他誣告上司。
Those clothes don't give you much protection against the cold.
那些衣服不能使你禦寒。
He should guard against passing on disease to his family.
他應當注意別把病傳給自己家裡的人。
By
abide by 遵守
pull by 拉住
by mistake 弄錯，失誤
by virtue of 靠，由於
by means of 使用
by aid of 藉助於
by way of 經由
by force 以武力，強迫地
by marriage 聯姻而產生的
例如：
He is by nature a kind, generous fellow.
他是個天性和藹慷慨的人。
They sent the letter to me by mistake.
他們誤把那封信送給了我。
The old Roman armies had several generals who took command by turns.
古羅馬的軍隊由幾位大將輪流指揮。
By virtue of his victory, he felt he could do what he pleased.
由於勝利，他感到可以想幹什麼就幹什麼了。
I probably know him by sight but not by name.
我大概見面認識他，不過叫不上名字。
5. For
competent for 勝任
for good 永遠
for the sake of 為緣故
for the better 好轉
for the purpose of 為目的
for a change 改變一下
for the time being 暫時
for fear of 免得
an affection for 愛，愛情
application for 申請
(make) preparation for 為作準備
blame for 責怪，責備
cause for 理由
readiness for 為準備就緒
an occasion for 時機，機會
contempt for 輕蔑，藐視
a demand for 需要，需求
evidence for 證據，根據
a fondness for 喜歡
a reason for 理由，原因
a respect for 尊敬，尊重
a search for 搜尋，找尋
例如：
I should like to repeat my opening remarks for the benefit of those who just came in.
我願重複一下我的開場白，以便讓剛入場的人也能聽到。
She got up early to be ready for the post. 為了靜心等候郵件，她一早就起床了。
New York is famous for its skyscrapers. 紐約以其摩天大樓而著稱。
His excuse for being late was that his train was delayed. 他晚到的理由是火車晚點了。
#p#分頁標題#e#
This new school will have no playground for the time being. 這所新學校將暫時沒有操場。
If one does not have respect for oneself, one can't expect others to respect him. 如果一個人不能自重，那麼就別指望別人尊敬他。
Nobody knows the age of the earth for certain. 沒有人確切知道地球的年齡。
6. From
differ from 與不同，相異
dismiss from 解僱，使離職
infer from 從推論出
prevent from 阻止，防礙
protect from 保護以免
resign from 辭職
suffer from 受之苦
tell from 把與區分開來
from a distance 從遠處，遠遠地
from the heart 誠心誠意地
from the first 從一開始
例如：
You may even have entered the shop just to find shelter from a sudden shower.
你甚至可以到店裡去避避雨。
From the first I disliked him.
從一開始我就不喜歡他。
The number of people suffering from heart disease has increased.
患心臟病的人數已經上升了許多。
Allen and I are in the same history class, but his assignment is different from mine.
愛倫和我在同一個歷史班，但他的作業跟我的不同。
assist in 幫助做某事
consist in 在於
engage in 從事，參與
give in 讓步，妥協
specialize in 專攻，專門研究
take in 欺騙，收容
belief in 信仰，相信
a delight in 以為樂
an expert in 專家，能手
in fact 事實上
in the event of 萬一
in one's opinion 據見解
in bloom 開著花
in the direction of 朝方向
in comparison with 與比較
in possession of 擁有，佔有
in view of 由於，考慮到
in any event 無論如何
in the course of 在過程中
in short 簡言之
believe in 信仰，信賴
end in 以告終
excel in (在某方面)突出地好
invest in 在投資
succeed in 在方面獲得成功
participate in 參加
confidence in 信任，相信
difficulty in 困難，困境
pleasure in 高興
a rise in 上漲，增長
(there is no) point in (做某事沒)有意義
There's no harm in 不妨
a specialist in 專家
an interest in 興趣，關心
participation in 參加
trouble in 苦惱，麻煩
interested in 對感興趣
fortunate in 有幸
constant in 對持久
lacking in 缺乏
expert in 在熟練
confident in 信任
in time 及時#p#分頁標題#e#
in the interest of 為了利益
例如：
We hoped that we should have confidence in each other again.
我們希望我們應再次彼此信任。
He listened in while we were discussing this question.
他竊聽了我們討論的這個問題。
In conclusion, I shall not accept the invitation.
總之，我是不會接受邀請的。
We must give up this plan for we are lacking in funds.
我們必須放棄這一計劃，因為我們缺少資金。
This shop specializes in tea and coffee.
這家商店專營茶葉和咖啡。
He wants to have a rise in wages.
他想要增加工資。
In comparison with England, Ireland has a small population.
與英格蘭相比，愛爾蘭人口很少。
8. Into
argue into 說服做
frighten into 恐嚇做
plunge into 投身於
run into 碰見
turn into 把變成
divide into 把分成
translate into 把翻譯成
force into 迫使做
crash into 撞到上
burst into 突然開始，爆發出
burst into 闖入
inquire into 調查
reason into 說服做
talk into 說服做
trick into 誘騙做
deceive into 欺騙去做
pull into 到達，開進
cut into 減輕，減少
change into 把變成
break into 突然闖入
例如：
On hearing the sad news, she burst into tears.
一聽到這一不幸消息，她突然哭了起來。
The taxi driver pulled into a roadside restaurant to get something to eat.
計程車司機把車開到路邊飯店打算吃點東西。
They frightened the old lady into signing the contract.
他們嚇噓老太太籤了合同。
9. Of
worthy of 值得
tired 厭倦
considerate of 體貼
aware of 知道
conscious of 認識到
proud of 驕傲
composed of 由組成
certain of 確信
regardless of 不管
fond of 喜愛
cautious of 小心
innocent of 清白，無罪
approve of 贊成，批准
consist of 由組成
inform of 通知
rob of 搶劫
convince of 使確信
deprive of 剝奪，使喪失
dispose of 處理
suspect of 懷疑
guilty of 犯罪
ignorant of 忽視
accuse of 控告(某人)
assure of 使確信
hear of 聽說
remind of 使想起，提醒
smell of 有氣味
cure of 治癒病
die of 死於
speak of 談到，提及#p#分頁標題#e#
10. To
access to 進入，通道
attention to 注意
exposure to 暴露
injury to 損傷，傷害
an objection to 反對
dedication to 獻身，熱愛
resistance to 阻力，抵抗
similarity to 類似，相似
similar to 相似，相同
indifferent to 不在乎
equal to 等於
devoted to 獻身於
contrary to 違反，相反
adapt to 使習慣
amount to 相當於，等於
confess to 承認
owe to 把歸功於
report to 報到
stick to 堅持
to a certain extent 在一定程度上
to one's satisfaction 使滿意
to the utmost 盡力
an attitude to 態度
(attach) importance to 重視
a limit 限制
contribution to 貢獻，捐助
a disgrace to 恥辱
a response to 反應，響應
a visit to 訪問，拜訪
relevant to 對有關
inferior to 比下等
grateful to 感激
insensitive to 遲鈍
parellel to 平行
add to 增加，加強
belong to 屬於
lead to 導致
prefer to 寧可，更喜歡
sentence to 宣判
turn to 求助於
to one's liking 合胃口
to one's face 當面
to one's benefit 對有益
to one's taste 合胃口
例如:He answered the questions to everybody's satisfaction. 他回答了問題，使人人都很滿意。
The professor sometimes makes remarks that are not relevant to the topic.有時候那位教授訓一些跟主題無關的話題。 I object to the plan on the grounds that it is too expensive. 我反對這項計劃，理由是費用過於龐大。
The paint came off as the result of exposure to the rain. 由於長期淋雨，油漆脫落了。
Your computer is similar to mine. 你的計算機與我的相似。
I sympathize with her only to a certain extent. 我只是在一定程度上同情她。
He dedicated his life to the cause of medicine. 他將一生獻給了醫學事業。
11. On
advice on 忠告，意見 an attack on 襲擊，攻擊 dependence on 依靠，依賴 an emphasis on 強調，重點
(keep) an eye on 照看，注意 an influence on 影響 (have) mercy on 憐憫，對
時間介詞的用法及辨異
表示時間的介詞，在英語介詞中佔著相當重要的位置。在初中階段英語教學過程中，已出現了許多用來表示時間的介詞。其中有：at on in during for to till un til after by before等。本文著重談一談這些介詞在表示時間的用法及它們之間的同異之處。
1.at on in
at用來表示時間時，通常指時間的某一點。例如：at five oclock atnoon atmidnight#p#分頁標題#e#
on用來表示某一段時間，特指某天或某天的上午 下午或晚上。例如：on Sunday,on October,on Saturday morning. c)in也可用來表示一段時間，但多指長於一天或不到一天的時間段。例如：in January, in summer, in 1988, in the morning ,in the evening.
2.in during
during用來表示一段時間，其意義大致相當於in的用法。一般來說，凡是能用in的地方，也可以用during.例如：He came to see me during my absence. .Dont go to see his wife in his absence.
during與in的區別在於during強調時間的延續性，而in則只是一般指某一時間。試比較：They visited many cities during their stay in China. Her grandpa was killed in the war.
3.in for during
in+時間與for+時間都可表示一段時間，但for+時間表示有多久，而in+時間則表示在何時。(例如：We worked there for the winter. They worked there in winter. 以上兩例中，in winter強調在冬季，不一定包括整個冬季時間，而for the winter則強調整個冬天。
b)for用來表示一般時間，常跟具體的時間段。例如 for a few days for 3 weeks for five months等
since after since after 都可以用來引導表示從過去某一點開始的時間段詞組。它們的不同之處在於：
a)since引導的詞組所表示的時間一直延續到說話時為止，因而要與現在完成時連用。例如：He has been there twice since 1982. I have done nothing since six oclock.
b)after引導的詞組所表示的時間是純系過去，並不延續到說話時，因此要和一般過去時連用。例如：He went home after school.
till until to
介詞till/until常用於from.till/until結構中，表示一個動作的終結。介詞to常用在from.to的結構中，用來表示一個階段的終結。兩者在這種結構中意義十分接近。例如：The Americans stayed here from June to September. He studies from morning till/until night everyday.
b)to可用在表示鐘點的詞前。我們說Its six to five 但不能說Its six till/until five.反之在某些能用till/until的場合，卻不能用to.例如：在not.until結構中，我們說I didnt go to bed till/until ten oclock.卻不能說I didnt go to bed to ten oclock.
c)till與until也有細微區別。till常用在非正式文體或口語中，而until則常用於正式文體及比較正式的場合。另外，在句首多用until.
6. by before
by表示時間時，意思是到以前、不遲於、到時(為止)。例如：by supper time by the end of last term
b)before表示時間，意為在以前。例如：before liberation the day before yesterday
c)by與before的區別在於，by短語表示時間，強調終止點，而before短語表示時間，強調起始點。例如：Your son will be all right by suppertime.
句中的by suppertime表示從說話時到晚飯前這段時間。)而before構成短語則表示從某一時間或事件之前，例如：The poor children couldnt go to school beforeliberation.#p#分頁標題#e#
初中英語語法介詞知識點總結以供大家參考，祝大家的學習越來越好!
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