一、定冠詞the_ 1. 定冠詞the和一個形容詞連用,代表一類人.若其作主語,則其后的謂語動詞用復數形式. 2. 由普通名詞和另外一些詞構成的專有名詞前多數要加定冠詞 3) 某些節假日前: the Spring Festival春節, the Mid-Autumn Day中秋節 但也有一些這類專有名詞前不加定冠詞 3. 一些樂器名稱前面通常用the, 如play the guitar, play the piano.但在一些特殊的表達中不用the,如with Kenney Rogers on saxophone, with Miles Davis on trumpet.體育比賽的項目前也不加定冠詞,如play chess, play volleyball / basketball. 4. 一年四季spring, summer, autumn /fall, winter 前,可用亦可不用定冠詞,意思基本一樣,但在美語中,通常為in the fall 5. 物質名詞前一般不加定冠詞,但當一些物質名詞不用於一般意義,而表示該物質的特定部分,特別是當其有限制性定語時,常加定冠詞 二、不定冠詞a(an) 1. what 后的感嘆句中,若感嘆的名詞是可數名詞單數,不定冠詞a/an不能省略.如: What a horrible day! 2. a/an 用於指非獨一無二的工作或職業 3. 疾病名稱通常被認為是不可數的,因此,其前通常不加冠詞 . 習慣用定冠詞的表達 by the way, on the whole, in the end, on the way to, tell the truth, on the right / left, in the possession of, be in the habit of doing sth., on the spot, the day before yesterday, in the distance, in the case of, for the time being, at the hands of, in the front of, be in the dark, at the back of, to the extent of等. 2. 習慣用不定冠詞的表達 as a matter of fact, as a rule, be in a position to, a matter of course, all of a sudden, be at a loss, have a chance, have a good time, have a hand in, have a say, have a try, keep an eye on, on a large scale, with a firm hand, take a fancy to, be in a hurry, take a walk, take an interest in等. 3. 習慣用零冠詞的表達 at noon/night/dawn/midnight, in town, in front of, at bottom, in order, in peace, at hand, at home, at last, at present, at stake, at war, by way of, day and night, without result, on top of, in trouble, in sight, from beginning to end, in advance, in haste, in danger, in case(of), in possession of, in fashion, in fact, take part in, take place等.