介词后面不能接定冠词吗?定冠词的用法有什么需要注意的地方?

可以

介词后面可以接定冠词，总共就那十几种情况背下来就行了 如果不愿意被就读例句 凭语感一选就好了

冠词是虚词,它不能单独使用.只能附在一个名词上说明这个名词.
冠词分为不定冠a(an)词和定冠词the.不定冠词一般表示泛指;定冠词一般表示特指
定冠词the的用法
① 表示上文提到过的人或事物.
如:He bought an English-Chinese dictionary this morning.The dictionary is very good.
② 用于单数可数名词前,表示整体或类别.
如:The panda is a rare animal.
此句等于:A panda is a rare animal.= Pandas are rare animals.
③ 用来表示世界上独一无二的事物.
如:the sun,the moon,the sky,the earth,the world
④ 用于表示阶级,党派的名词前.
如:the Chinese * Party ,the working class the proletariat 无产阶级
⑤ 常用于含有普通名词或形容词的专有名词前.
A.用于许多江海,山脉,群岛等名词前:
The Yellow River The East Sea the Himalayas the Pacific Ocean
B.用于由普通名词构成的国名:
The People's * the United States
C.用于机关,团体,朝代,时代,报刊杂志等名词前:
the United Nations the State Council the Tang dynasty the People's Daily
the Summer Palace the Peace Hotel the British Museum
⑥ 用于表示方位的名词前.
如:the east the southwest the middle the Far East on the left
⑦ 用于乐器名词前,但汉语拼音的乐器前不用冠词.
如:play the piano play the violin play erhu
⑧ 用于复数的姓氏前,表示"两夫妇"或"全家",在此情况下,这类名词作复数对待.
如:When we got there,the Lius were waiting for us.
The Smiths watch TV every day.
⑨ 用于某些形容词或过去分词前,表示一类人或事物.
如:the poor the rich the living the young
the wounded the oppressed the beautiful
⑩ 用在形容词的*前或序数词前.
如:Shanghai is the biggest city in china.
After the game,the first thing they wanted to do was to take a hot bath.
但一定注意下面情况
① 表示某一类人或事物的复数名词前,不用冠词.
Now people are living a happy life.Trees are planted everywhere.
② 不含普通名词的专有名词,表示泛指的物质名词和抽象名词前,不用冠词.
We are studying English.He is leaving for America this year.
It is pleasant to walk in soft snow.Love is always stronger than hatred.
③ 名词前有指示代词,物主代词,不定代词或名词所有格修饰,不用冠词.
I like this picture better.Is that your book
Take their chairs away!I do not have any money on me.
As time went on,Einstein's theory proved to be correct.
④ 季节,月份,星期等名词前,一般不用冠词.
She likes spring while I like summer.We have no classes on Saturday.
The Long March started in October 1934.
⑤ 表示只有一人担任的职务,头衔的名词前,不用冠词.
We have elected him our monitor.
⑥ 三餐饭的名词前,一般不用冠词.
When do you have lunch After supper we usually take a walk.
⑦ 节假日等名词前,不用冠词.
Children all wear their best clothes on National Day.
People give gifts to each other on Christmas Day.
注意:在eve后有of短语则要加定冠词:
on the eve of National Day on the eve of New Year's Day
⑧ 球类和棋类运动的名词前,不用冠词.
play basketball play chess
⑨ 作表语用表示程度的形容词*前,不用冠词.
Your help was most timely.This method is most effective.
注意:如果有比较范围,形容词*前必须加定冠词:
Of all methods,this is the most effective.
⑩ 在某些固定词组里,名词前不用冠词.
on foot /by train/ boat / plane… in fact as a matter of fact
in class /in church /in danger /in hospital/ in town
in bed /at home /at school /at daybreak //at sunrise
at dusk/ at sunset/ at night/ at noon /go to school
go to class /go to bed /from morning till night /from victory to victory
from door to door