from的用法是什么 from的用法

from的用法是什么？

介词from的用法
1.表示时间“从...开始”“始于” from ... to ..... 从...到....
from morning to evening 从早到晚 from 1:00 to 5:00 从一点到五点
2.表示地点“从...”
from Beijing to Guangzhou 从北京到广州 choose sth from... 从...中选择某物
3.表示“离...”
be far from sth 离...远
具体距离 from 地点 离某地有多远
My school is far from my home. 学校离我家很远。
Beijing is 2000 km from Guangzhou. 北京离广州有2千公里。
4.表示“来自”“从...来...” be from 地点 come from 地点
be from sb 是某人送的、寄的
Tom comes from America./ Tom is from America. Tom来自美国。 The gift is from my brother. 这个礼物是我哥哥送的。 The letter is from my pen pal. 这封信是我的笔友寄来的。
5.带from的固定词组
from now on 从现在开始 be different from... 与...不同 be absent from... 缺席，不在
be tired from sth 因为...而疲劳，劳累 be away from sth 离开某地
be made from sth 由...制成（看不出原材料） judging from sth 从...判断

from的用法

介词prep.
1.从...起,始于 eg:She is singing from morning to night.她从早唱到晚.
2.从由
eg:He rose from office boy to managing director in fifteen years.
他十五年里从办公室勤杂员升到总经理.
3.离(开) eg:Our school is two miles from the station.我们学校离车站两英里.
4.从...来出自 eg:He comes from Shanghai.他来自上海.
5.(表示去除、免掉、阻止、剥夺等) eg:The pill will relieve you from pain.这药丸将使你免受痛苦.
6.(表示区别、比较) eg:He is old enough to know right from wrong.他已长大,能够辨别是非了.
7.(表示原料)由 eg:Flour is made from wheat.面粉由小麦制成.
8.因为,由于出于
eg:He wasnt ill he stayed in bed from laziness.他没病,躺在床上是因懒惰之故.
eg:He is trembling from fear.他吓得发抖.
8.across from⋯.在...的对面
eg.The post office is just across from the club .邮局就在那俱乐部对面.