介詞from用法總結
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，不同的語境表達不一樣的意思，以下是小編整理的介詞from的用法總結，歡迎參考!
一、基本用法歸納
1. (表示起點)從
He ran all the way home from school. 他從學校一路跑回家。
Our prices start from ￡2.50 a bottle. 我們的售價從2.5英鎊一瓶開始。
2. (表出處、來源等)出自，來自，從…而來
This beer is imported from Mexico. 這種啤酒是從墨西哥進口的。
3. (表原因)由于，因為
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是誰。
8.(表判斷、觀點)由(…來看)，根據(…來判斷)
From her looks you would say she was about twenty. 從她的模樣看，你會說她約摸20歲。
9.(表根據、依據)憑，據：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. 從那天以后他再沒有同她說過話。
2. from…to… 從…到…
He flew from Beijing to Shanghai. 他坐飛機從北京到上海。
三、語法說明與慣用法說明
1. 有時其后可接介詞短語
Choose a book from among these. 從這些書中選一本吧。
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(引導非限制性定語從句)，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. 他躲在一棵樹上，從那兒他可以看到遠處的敵人。
2. 有時其后可接when, where引導的賓語從句(可視為其前省略了the time, the place)：
He didn't speak to me from when we moved in. 從我們遷入之時起，他沒和我說過話。
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…構成的習語通常不帶冠詞：
from house to house 挨家挨戶
from time to time 不時地
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 賺一點吃一點, 僅能糊口
內容拓展：
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) eg:Our school is two miles from the station.我們學校離車站兩英里.
4.從...來;出自eg:He comes from Shanghai.他來自上海.
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.(表示區別、比較) eg:He is old enough to know right from wrong.他已長大,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.因為,由于;出于
eg:He wasn't ill; he stayed in bed from laziness.他沒病,躺在床上是因懶惰之故.
eg:He is trembling from fear.他嚇得發抖.
8.across from.在...的對面
eg.The post office is just across from the club .郵局就在那俱樂部對面.
from有哪些含義
prep.（表示時間）從…;（表示原因）因為;（表示來源）來自…;（表示分離）與…分離[隔開]
【幫助說明】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在短語動詞中的特殊用法見有關動詞詞條。如keep sth from sb在詞條keep的短語動詞部分。
1.（表示起始點）從…起，始于
used to show where sb/sth starts
She began to walk away from him.
她開始離他而去。
Has the train from Bristol arrived?
從布里斯托爾開來的火車到了沒有？
2.（表示開始的時間）從…開始
used to show when sth starts
We're open from 8 to 7 every day.
我們每天從早8點至晚7點營業。
He was blind from birth.
他天生失明。
3.（表示由某人發出或給出）寄自，得自
used to show who sent or gave sth/sb
a letter from my brother
我兄弟來的信
information from witnesses
證人提供的信息
the man from (= representing) the insurance company
保險公司的人
4.（表示來源）來自，源于，出自，從…來
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世紀的文獻
quotations from Shakespeare
莎士比亞語錄
heat from the sun
太陽熱
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
離事故現場100米
7.（表示位置或觀點）從
used to show sb's position or point of view
You can see the island from here.
從這里可以看見那海島。
From a financial point of view the project was a disaster.
從經濟觀點看，這個項目徹底失敗了。
8.~ sth (to sth)
（表示幅度或范圍）從…（到）
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算機應有盡有。
Conditions vary from school to school.
各所學校的情況不同。
9.~ sth (to sth)
（表示改變前的狀態或形式）從…（到）
used to show the state or form of sth/sb before a change
Things have gone from bad to worse .
情況越來越糟。
translating from English to Spanish
從英語譯成西班牙語
You need a break from routine.
你需要從日常工作中解脫出來去休息一下。
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.
該黨執政十八年后被趕下臺。
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，因為
used to show the reason for sth
She felt sick from tiredness.
她累得渾身不對勁。
13.（表示進行判斷的原因）根據，從…來看
used to show the reason for making a judgement
You can tell a lot about a person from their handwriting.
根據一個人的筆跡可以了解很多有關他的情況。
From what I heard the company's in deep trouble.
就我所聽到的，這家公司已深陷困境。
14.（區別二者時用）與…（不同）
used when distinguishing between two people or things
Is Portuguese very different from Spanish?
葡萄牙語與西班牙語區別很大嗎？
I can't tell one twin from the other.
我分不出雙胞胎中誰是誰。
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