什么情况下不使用定冠词呢？英语中有两种冠词：定冠词和不定冠词，三种形式：the和a，an。冠词虽小，但用起来很容易出毛病，因此要特别注意。那么：什么情况下不使用定冠词呢？
（1）不要看到most，就以为它前面非得有个the不可，most有别的用法。如：
（误）With the emerge of information technology，the knowledge in textbook can't
satisfy children's curiosity any more.The most children need to learn wider knowledge and know more about our world.
（正）With the emerge of information technology，the knowledge in textbook can't satisfy children's curiosity any more.Most children need to learn wider knowledge and know more about our world.
（2）序数词前要用定冠词，很多人把这条规则都记得很牢，但在某些固定的表达方式中出现的序数词前面却是不用the的，如果把它们看成是错误，那就上当了。如：
John came out first in the final examination.
You are second to none as far as intelligence is concerned.
（3）大洋、海、河、山脉前都要求有定冠词，但洲名前却不能有定冠词，如：
the Yangtze River，the Mountain Tai，the Arctic Ocean，the West Lake，North America，Africa
（4）指演奏一种乐器时，乐器前必须要有定冠词；指进行一种球类活动时，球类前面不可用定冠词，如：
My younger brother prefers to play the guitar rather than play basketball.
（5）语言名称前没有定冠词，如：
（误）The Chinese，the most difficult but beautiful language in the world，is my mother tongue.
（正）Chinese，the most difficult but beautiful language in the world，is my mother tongue.
但如果在Chinese后面加上language，那么前面就要加定冠词了，the Chinese指的是全体中国人，如：
All the Chinese love their own language—Chinese most.
类似地，我们说：
Germany，the Germany language（
德语），the German（德国人）；
Japan，the Japan language（
日语），the Japanese（日本人）；
Korea，the Korea language（韩语），the Korean（韩国人）。
（6）在“……年代”前必须用定冠词，但在一个具体的年份前绝不能用定冠词，如：
（误）…people who died in 1860's.
（正）…people who died in the 1860's.
（误）…people who died in the 1860.
（正）…people who died in 1860.
（7）人名前不可用定冠词，如，不可说I'd like to invite the Jack Green，应该说I'd like to invite Jack Green。
在人名的所有格前，也不可用定冠词，如，不可说I believe you are a particular friend of the Pickwick's，只可以说I believe you are a particular friend of Pickwick's。
（8）定冠词和指示代词this，that，these，those在用于特指时，其性质、作用是一样的，因此不能同时使用：
（误）The this man came up to me in the street and started making rude suggestion.
（正）This man came up to me in the street and started making rude suggestion.
