1 高三英语一轮语法复习——冠词观察以下句子,判断冠词的位置。1. I earn 10 dollars hour as supermarket cashier on Saturdays 2. They often play guitar after supper. 冠词是一种虚词,不能单独使用,通常放在词之前,帮助说明名词的含义。一、冠词的种类1.不定冠词:和判断用 a 还是用 an 的依据是其后单词的读音的第一个音素,而不是字母。不定冠词后面的单词读音的第一个音素为辅音音素时,不定冠词用;不定冠词后面的单词读音的第一个音素为元音音素时,不定冠词用。如下用 a 还是 an university student unique style European writer honest boy X-ray 800-meter-long bridge 2.定冠词:在辅音之前读 [e?],在元音之前读 [ei?], 如:the young [e ? j??], the old [ei?’??ld] 3.零冠词,即不用冠词。思维导向一:不定冠词观察一下句子,总结不定冠词的用法。1. Please give me an orange. 2. A Mr. Smith came to visit you when you went out. 3. She was a great success at the ball. 4. I have a mouth, a nose, two eyes and two ears. 5. Take this medicine three times a day. 小结促学 : 1. “a/an+单数可数名词 ”常用来表示泛指 ,如例句。2. 指某人或某事物,但不具体说明何人或何物。“某一个,有一个 ” ,如例句。3. a/an 用在表时间、 价钱、速度、长度等名词前, 表示 “每一 ”,相当于 per, every,如例句。4.表单位数量,相当于one,以为“一”,如例句。比较: There is a horse in front of the house. (强调类别,意为 “有一匹马 ”而不是别的东西)There is one horse in front of the house. (强调数量,强调是一匹而不是两匹、三匹马等)5. 不定冠词 a/an 用在某些抽象名词和物质名词前, 表示 “一种,一件,一个 ⋯⋯” ,如例句。如果这些名词前有形容词修饰,则不定冠词通常不可少。常见的有 success, pleasure, failure, 2 surprise, shock, disappointment 等思维导向二观察一下句子,总结定冠词the 的用法。1. There once lived an old man, the man had a dog and the dog ran very fast. 2. Which is the biggest, the sun, the earth or the moon? 3. Close the window, please. 4. The Greens h...