不定冠詞用法：
①表同類中的任何一個，即人或事物的類別：
A teacher is a person who teaches.
②表同一性，與the same同義：
We are all of an age.
③用於集合名詞、抽象名詞、專有名詞前：
It"s a pleasure to talk with you.
The house has been bought by a Mr.Jones.
定冠詞用法：
①特指上文提到過的事物；
We have a cat and two dogs, the cat is black.
②用於宇宙中獨一無二的物質名詞前：
The esrth goes around the sun.
③用於最高階、比較級前：
The most important people is here.
The sooner we operate now the safer.
④用於序數詞之前：
He was the first man to say that.
⑤用於方位詞之前：
Italy is in the south of Europe.
⑥用於樂器名詞之前：
He likes playing the piano.
⑦用於adj.或過去分詞前，表示一類人或事物：
The rich are not always happier than the poor.
The sick and the wounded were sent home.
⑧用於整十的複數數詞前，表示幾十年代：
This happened in the 1990s.
⑨用於集合名詞前表總稱或者全體：
The police are looking for the muderer.
⑩用於表示地名、組織、江河、海洋、海灣、沙漠等專有名詞前：
The Yellow river flows into the Yellow Sea.
We visited the Great Wall yesterday.
①①動詞+sb.+介詞+the+身體某個部位
He patted me on the pack.
We cought him by the arm.
①②用於姓氏複數形式之前，表示一家人或者夫婦二人：
The Smiths live in the apartment above ours.
①③用於單位計量詞前表示標準，即每：
They let out cars by the day.
注：按重量by weight.一般不加the.
零冠詞：
①表泛指的【U】或【C】的複數前：
Snow was falling.
②職位頭銜，獨一無二，不做主賓，不加冠詞；
③時間、節日、季節、三餐、球類、學科、語言等名詞前無冠詞；
④kind/sort of +n.的n前無冠詞：
This kind of book is very interesting.
不定冠詞用法： ①表同類中的任何一個，即人或事物的類別： A teacher is a person who teaches. ②表同一性，與the same同義： We are all of an age. ③用於集合名詞、抽象名詞、專有名詞前： It"s a pleasure to talk with you. The house has been bought by a Mr.Jones. 定冠詞用法： ①特指上文提到過的事物； We have a cat and two dogs, the cat is black. ②用於宇宙中獨一無二的物質名詞前： The esrth goes around the sun. ③用於最高階、比較級前： The most important people is here. The sooner we operate now the safer. ④用於序數詞之前： He was the first man to say that. ⑤用於方位詞之前： Italy is in the south of Europe. ⑥用於樂器名詞之前： He likes playing the piano. ⑦用於adj.或過去分詞前，表示一類人或事物： The rich are not always happier than the poor. The sick and the wounded were sent home. ⑧用於整十的複數數詞前，表示幾十年代： This happened in the 1990s. ⑨用於集合名詞前表總稱或者全體： The police are looking for the muderer. ⑩用於表示地名、組織、江河、海洋、海灣、沙漠等專有名詞前： The Yellow river flows into the Yellow Sea. We visited the Great Wall yesterday. ①①動詞+sb.+介詞+the+身體某個部位 He patted me on the pack. We cought him by the arm. ①②用於姓氏複數形式之前，表示一家人或者夫婦二人： The Smiths live in the apartment above ours. ①③用於單位計量詞前表示標準，即每： They let out cars by the day. 注：按重量by weight.一般不加the. 零冠詞： ①表泛指的【U】或【C】的複數前： Snow was falling. ②職位頭銜，獨一無二，不做主賓，不加冠詞； ③時間、節日、季節、三餐、球類、學科、語言等名詞前無冠詞； ④kind/sort of +n.的n前無冠詞： This kind of book is very interesting.