中考英语语法：a与an的用法详解

　　【用法归纳】

　　He had a book under his arm．他手臂下夹着一本书。

　　He was a boy from a poor home. 他是来自穷苦家庭的孩子。

　　I saw a girl watering the flowers. 我看见一个女孩在浇花。

　　Anna had a boy friend named James. 安娜有个男朋友名叫詹姆斯。

　　He arrived half an hour ago. 他是半小时前到达的。

　　He is an able man. 他是一个能干的人。

　　Give him an inch and he will take a mile. 他会得寸进尺。

　　The book is based on an actual case. 这书是根据一个实际案例写的。

　　He decided to put an advertisement in the newspapers. 他决定在报上登一份广告。

　　2.任何…都

　　A bird has wings. 鸟有翅膀。

　　A square has four sides. 正方形有四条边。

　　A dog is an animal. 狗是动物。

　　3.每(一)

　　He comes home once a week. 他每周回一次家。

　　The doctor told him to bathe his eyes twice a day. 医生让他每天洗两次眼睛。

　　The ducks were force-fed several times a day. 这种鸭子每天强行喂食好几次。

　　4.某，某一个

　　A Mr. Black just came to see you. 刚才一个叫布莱克先生的人来看你。

　　The house next door has been bought by a Mr Jones. 隔壁的房子被一个叫琼斯的先生的人买下了。

　　【考点说明】

　　2. 单数可数名词若泛指，其前需加 a / an，不要从汉语习惯出发，漏掉此不定冠词，如不能说Her father is famous film poet.(应在is加a)

　　3.不能与指示代词、物主代词、名词所有格等连用，如不说 my a good friend，可改说 a good friend of mine。