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新一轮中考复习备考周期正式开始， 不定冠词 We need an apple and a knife. 我们需要一个苹果和一把刀子。 1.a和an的区别 不定冠词有a[+]和an[+Q]两种形式，a用于辅音（不是辅音字母）开头的词前。an用于元音（不是元音字母）开头的词前。 a boy, a university, a European country u是元音字母，但发音是[U(]，是辅音。 an hour ，an honor ，an island h是辅音字母，但它不发音，它的音标是是元音。 an elephant， an umbrella， an egg 2（1）不定冠词的用法 ①泛指—类人或物。 eg. This is a pencil case. ②指不具体的某个人或物。 eg. I met an old man On my way home. ③用在序数词前,相当于another. eg. There’s a third boy near the shop. ④表示“每—（个）”,相当于every. eg. They have music lessons twice a week. 必背！ give a lesson take a bath have a rest 教（一堂）课 洗（个）澡 休息 have a talk have a fever have a good time 听报告 发烧 过得愉快 have（take）a walk have a headache have a nice trip 散步 头疼 旅途愉快 a lot of, a lot, a little, a few, a glass of, such a／an, have a word with, have a look, have a try, have a swim, a quarter, half an hour, three times a day, have a talk, give a talk, ten Yuan a kilo （2）不定冠词的位置 ①不定冠词—般放在所修饰的单数可数名词前。 eg, a bike, an egg ②当名词被such, what, many修饰时，不定冠词放在这些词之后。 eg.It took me half an hour to finish my homework. He left in such a hurry that he forgot to close the door. What a dangerous job it is！ Many a man has gone to the big cities for work. ③当名词前的形容词前有so, how, too等词时，不定冠词应放在形容词之后。 Eg. She was so nice a girl that she took the blind man to the station. How nice a film this is！ ④当名词前面有形容词和quite, rather, very时，不定冠词放在quite, rather之后,very之前。 eg.It is quite a good book. That is rather a useful too1. This is a very interesting story. (责任编辑：admin) |