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介詞from用法總結(jié)
from是介詞，它與其他介詞有著相似的用法，但它的詞義有很多，不同的語(yǔ)境表達(dá)不一樣的意思，以下是小編整理的介詞from的用法總結(jié)，歡迎參考!
一、基本用法歸納
1. (表示起點(diǎn))從
He ran all the way home from school. 他從學(xué)校一路跑回家。
Our prices start from ￡2.50 a bottle. 我們的售價(jià)從2.5英鎊一瓶開(kāi)始。
2. (表出處、來(lái)源等)出自，來(lái)自，從…而來(lái)
This beer is imported from Mexico. 這種啤酒是從墨西哥進(jìn)口的。
3. (表原因)由于，因?yàn)?/p>
They are tired out from planting the corn yesterday. 由于昨天種了一天玉米，今天他們都十分疲勞。
4.(表距離、脫離，分離)離
The house is five miles from the town. 這房子離市鎮(zhèn)有5英里路。
5. (表原料、材料)用，由
Paper is made from wood. 紙用木材做原料。
6.(表避免、阻止、遮蔽)避免，防止，以免
He covered his wife from the man's blows with his body. 他用身體擋住那人，從而使他妻子免遭打擊。
7.(表區(qū)別、差異)由，與(…不同)
I can't tell one twin from the other. 我分不出雙胞胎中誰(shuí)是誰(shuí)。
8.(表判斷、觀(guān)點(diǎn))由(…來(lái)看)，根據(jù)(…來(lái)判斷)
From her looks you would say she was about twenty. 從她的模樣看，你會(huì)說(shuō)她約摸20歲。
9.(表根據(jù)、依據(jù))憑，據(jù)：He played the music from memory. 他憑記憶演奏了那首曲子。
二、用法搭配歸納
1. from…on 從…起
He never spoke to her again from that day on. 從那天以后他再?zèng)]有同她說(shuō)過(guò)話(huà)。
2. from…to… 從…到…
He flew from Beijing to Shanghai. 他坐飛機(jī)從北京到上海。
三、語(yǔ)法說(shuō)明與慣用法說(shuō)明
1. 有時(shí)其后可接介詞短語(yǔ)
Choose a book from among these. 從這些書(shū)中選一本吧。
比較：
I took it from the bed. 我從床那兒(或床上)拿的。
I took it from under the bed. 我從床下拿的。
注意，下面一句用了 from where(引導(dǎo)非限制性定語(yǔ)從句)，而未用from which，其中的where=in the tree，即 from where=from in the tree：
He hid himself in a tree, from where he could see the enemy in the distance. 他躲在一棵樹(shù)上，從那兒他可以看到遠(yuǎn)處的敵人。
2. 有時(shí)其后可接when, where引導(dǎo)的賓語(yǔ)從句(可視為其前省略了the time, the place)：
He didn't speak to me from when we moved in. 從我們遷入之時(shí)起，他沒(méi)和我說(shuō)過(guò)話(huà)。
From where I stood I could see everything clearly. 從我站的地方我一切都看得清清楚楚。
3. 某些由from…to…構(gòu)成的習(xí)語(yǔ)通常不帶冠詞：
from house to house 挨家挨戶(hù)
from time to time 不時(shí)地
from day to day 一天天地
from head to foot 從頭至腳, 全身
from beginning to end從頭至尾
from hand to mouth 賺一點(diǎn)吃一點(diǎn), 僅能糊口
內(nèi)容拓展：
from的用法歸納
1.從...起,始于eg:She is singing from morning to night.她從早唱到晚.
2.從;由
3.離(開(kāi)) eg:Our school is two miles from the station.我們學(xué)校離車(chē)站兩英里.
4.從...來(lái);出自eg:He comes from Shanghai.他來(lái)自上海.
5.(表示去除、免掉、阻止、剝奪等) eg:The pill will relieve you from pain.這藥丸將使你免受痛苦.
6.(表示區(qū)別、比較) eg:He is old enough to know right from wrong.他已長(zhǎng)大,能夠辨別是非了.
7.(表示原料)由eg:Flour is made from wheat.面粉由小麥制成.
8.因?yàn)?由于;出于
eg:He wasn't ill; he stayed in bed from laziness.他沒(méi)病,躺在床上是因懶惰之故.
eg:He is trembling from fear.他嚇得發(fā)抖.
8.across from.在...的對(duì)面
eg.The post office is just across from the club .郵局就在那俱樂(lè)部對(duì)面.
from有哪些含義
prep.（表示時(shí)間）從…;（表示原因）因?yàn)?（表示來(lái)源）來(lái)自…;（表示分離）與…分離[隔開(kāi)]
【幫助說(shuō)明】For the special uses of from in phrasal verbs, look at the entries for the verbs. For example keep sth from sb is in the phrasal verb section at keep . from在短語(yǔ)動(dòng)詞中的特殊用法見(jiàn)有關(guān)動(dòng)詞詞條。如keep sth from sb在詞條keep的短語(yǔ)動(dòng)詞部分。
1.（表示起始點(diǎn)）從…起，始于
used to show where sb/sth starts
She began to walk away from him.
她開(kāi)始離他而去。
Has the train from Bristol arrived?
從布里斯托爾開(kāi)來(lái)的火車(chē)到了沒(méi)有？
2.（表示開(kāi)始的時(shí)間）從…開(kāi)始
used to show when sth starts
We're open from 8 to 7 every day.
我們每天從早8點(diǎn)至晚7點(diǎn)營(yíng)業(yè)。
He was blind from birth.
他天生失明。
3.（表示由某人發(fā)出或給出）寄自，得自
used to show who sent or gave sth/sb
a letter from my brother
我兄弟來(lái)的信
information from witnesses
證人提供的信息
the man from (= representing) the insurance company
保險(xiǎn)公司的人
4.（表示來(lái)源）來(lái)自，源于，出自，從…來(lái)
used to show what the origin of sb/sth is
I'm from Italy.
我是意大利人。
documents from the sixteenth century
16世紀(jì)的文獻(xiàn)
quotations from Shakespeare
莎士比亞語(yǔ)錄
heat from the sun
太陽(yáng)熱
5.（表示所用的原料）由…（制成）
used to show the material that sth is made of
Steel is made from iron.
鋼是由鐵煉成的。
6.（表示兩地的距離）離
used to show how far apart two places are
100 metres from the scene of the accident
離事故現(xiàn)場(chǎng)100米
7.（表示位置或觀(guān)點(diǎn)）從
used to show sb's position or point of view
You can see the island from here.
從這里可以看見(jiàn)那海島。
From a financial point of view the project was a disaster.
從經(jīng)濟(jì)觀(guān)點(diǎn)看，這個(gè)項(xiàng)目徹底失敗了。
8.~ sth (to sth)
�。ū硎痉然蚍秶⿵摹ǖ剑�
used to show the range of sth
The temperature varies from 30 degrees to minus 20.
溫度在30度至零下20度之間變化。
The store sells everything from shoelaces to computers.
這家商店出售的商品從鞋帶到計(jì)算機(jī)應(yīng)有盡有。
Conditions vary from school to school.
各所學(xué)校的情況不同。
9.~ sth (to sth)
�。ū硎靖淖兦暗臓顟B(tài)或形式）從…（到）
used to show the state or form of sth/sb before a change
Things have gone from bad to worse .
情況越來(lái)越糟。
translating from English to Spanish
從英語(yǔ)譯成西班牙語(yǔ)
You need a break from routine.
你需要從日常工作中解脫出來(lái)去休息一下。
10.（表示分離或去除）
used to show that sb/sth is separated or removed
The party was ousted from power after eighteen years.
該黨執(zhí)政十八年后被趕下臺(tái)。
11.（表示防止）使免遭，使免受
used to show that sth is prevented
She saved him from drowning.
她救了他一命，使他免遭淹死。
12.（表示原因）由于，因?yàn)?/strong>
used to show the reason for sth
She felt sick from tiredness.
她累得渾身不對(duì)勁。
13.（表示進(jìn)行判斷的原因）根據(jù)，從…來(lái)看
used to show the reason for making a judgement
You can tell a lot about a person from their handwriting.
根據(jù)一個(gè)人的筆跡可以了解很多有關(guān)他的情況。
From what I heard the company's in deep trouble.
就我所聽(tīng)到的，這家公司已深陷困境。
14.（區(qū)別二者時(shí)用）與…（不同）
used when distinguishing between two people or things
Is Portuguese very different from Spanish?
葡萄牙語(yǔ)與西班牙語(yǔ)區(qū)別很大嗎？
I can't tell one twin from the other.
我分不出雙胞胎中誰(shuí)是誰(shuí)。
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