冠词的活用 冠词的用法比较广泛，有一定的灵活性。掌握冠词使用的基本规则，也需要注意其使用灵活的特点。难点：1、弄清使用不定冠词或使用 冠词的场合和语境。 2、 用与不用冠词的区别。A、表示世界上独一无二的事物时用_, 但名词前如有_修饰，则用_.定冠词the形容词不定冠词a/an Ex: _sun _rising suntheaB、一日三餐的名词前一般_，但如果前边有_修饰，就需加_。不用冠词定语冠词 如：I often have _ lunch at home.We had _wonderful supper.awonderfulC. 表示乐器的名词前，一般要加_，但如果名词前加了_修饰，则用_.定冠词the定语不定冠词如： He practises playing _ violin everyday. He is playing _ borrowed violin.theaD. 在某些词组，成语或习语中_。不用冠词如：by train/bus/taxi/sea/car试比较：He went there by _ sea.He used to live by _ sea.theHe goes to work by _ car.He goes to work in _ black car.aE. 下列词组中，有无冠词意义不同。go to school _go to the school _上学去学校take place _take the place of _发生代替in front of _in the front of _在的前面在的前部F、系动词turn（变成）后做表语的名词前不加冠词不加冠词，但become 后坐表语的名词需加冠词冠词。My brother turned teacher three years ago.My brother become a teacher three years ago.G 、抽象名词和物质名词表示一般概念时，前面不用加冠词不用加冠词。但特指时，则要用the.I am fond of _music. (泛指)Do you like _music of the TV play?（特指）theH. 定冠词the有时可以用于单数名词前，表示一类人或物。_powder was invented in ancient China. The