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II. 牢記口訣
介詞口訣：自從以當(dāng)為按照，由于對(duì)于為了到；和跟把比在關(guān)于，除了同對(duì)向往朝；用在名詞代詞前，修飾動(dòng)形要記牢。
III. 介詞歸類大全
一、表示地理位置的介詞：
(1)at ,in, on, to
at (1)表示在小地方; (2)表示“在……附近，旁邊”
in (1)表示 在大地方; (2)表示“在…范圍之內(nèi)”。
on 表示毗鄰，接壤
to 表示在……范圍外，不強(qiáng)調(diào)是否接壤
例句：He arrived at the station at ten.
He is sitting at the desk.
He arrived in Shanghai yesterday.
Jiangsu lies in the east of China.
Russia lies on the north of China.
Fujian is to the south of Jiangsu Province.
(2)above, over, on 在……上
above 指在……上方,不強(qiáng)調(diào)是否垂直，與 below相對(duì)；
over指垂直的上方,與under相對(duì),但over與物體有一定的空間，不直接接觸。
on表示某物體上面并與之接觸。
例句：The bird is flying above my head.
There is a bridge over the river.
He put his watch on the desk.
(3)below, under 在……下面
under表示在…正下方
below表示在……下，不一定在正下方
例句 There is a cat under the table.
Please write your name below the line.
二、表示時(shí)間的介詞：
(1)in , on，at 在……時(shí)
in表示較長(zhǎng)時(shí)間，如世紀(jì)、朝代、時(shí)代、年、季節(jié)、月及一般（非特指）的早、中、晚等。
如：in the 20th century, in the 1950s, in 1989, in summer, in January,
in the morning, in the night, in one’s life , in one’s thirties等。
on表示具體某一天及某一天的早、中、晚。
如：on May 1st, on Monday, on New Year’s Day, on a cold night
in January, on a fine morning, on Sunday afternoon等。
at表示某一時(shí)刻或較短暫的時(shí)間，或泛指圣誕節(jié)，復(fù)活節(jié)等。
如: at 3:20, at this time of year, at the beginning of, at the end of …,
at the age of …, at Christmas， at night, at noon, at this moment等。
注意：在last, next, this, that, some, every 等詞之前一律不用介詞。如：We meet every day.
(2)in, after 在……之后
“in +段時(shí)間”表示將來的一段時(shí)間以后；
“after+段時(shí)間”表示過去的一段時(shí)間以后；
“after+將來點(diǎn)時(shí)間”表示將來的某一時(shí)刻以后。
例句：My mother will come back in three or four days.
He arrived after five months.
She will appear after five o’clock this afternoon.
(3)from, since 自從……
from僅說明什么時(shí)候開始，不說明某動(dòng)作或情況持續(xù)多久；
