英文a和an的用法?⑧ a和an的用法区别:a用于读音以辅音音素开头的名词前,an用于读音以元音音素开头的名词前。如:a watch一块手表;an apple一个苹果。注意,以元音字母开头的单词,其读音不一定是元音音素,同样,以辅音字母开头的单词,其读音也不一定是辅音音素。例如:a useful book(单词useful以元音字母u开头,那么,英文a和an的用法?一起来了解一下吧。
a用在可数名词前面,an用在形式上是复数而在意思上是单数的单词前面。a、an的区别为:用法不同、侧重点不同、使用场合不同。
一、用法不同
1.a
用法:art.一(个);每一(个);任一(个),可数名词前面用a,不可数名词前面不可用a。
2.an
用法:在特定情况下,a(或an)可以用在复数形式前面,在表示时间或款项的短语前面,在若干在形式上是复数而在意思上是单数的单词前面。
二、侧重点不同
1.a
解析:a与few搭配使用时,few是“很少”,有“几乎没有”的意思。a few是“若干”,有“颇有几个”的意思。
2.an
解析:an表示不明确的人或物,前文没提到的。
三、使用场合不同
1.a
解析:用在辅音字母开头的单词前面。
例句:We have a problem.我们有个问题。
2.an
解析:用在元音字母的单词前面。
例句:He gave her an admiring glance.他向她投以敬慕的一瞥。
a和an在英语的用法如下:
1. "a" 的用法:
"a" 用于辅音音素(consonant sounds)开头的单词。辅音音素是指在发音时声带有阻碍的音素,例如 "b"、"c"、"d"、"f"、"g"、"h"、"j"、"k"、"l"、"m"、"n"、"p"、"q"、"r"、"s"、"t"、"v"、"w"、"x"、"y" 和 "z" 等。
例如:
a book(一本书) - 这里的 "book" 是以辅音 "b" 开头的单词,所以使用 "a"。
2. "an" 的用法:
"an" 用于元音音素(vowel sounds)开头的单词。元音音素是指在发音时声带没有阻碍的音素,例如 "a"、"e"、"i"、"o" 和 "u" 等。
例如:
an apple(一个苹果) - 这里的 "apple" 是以元音 "a" 开头的单词,所以使用 "an"。
特殊情况:
当辅音字母 "h" 发音清晰,即发 "ha" 音时,使用 "a"。
a hotel(一家酒店)
当辅音字母 "h" 发音不清晰,即发 "he" 音时,使用 "an"。
an hour(一个小时)
当以辅音字母 "x" 开头的单词发音以元音开头时,使用 "an"。
不定冠词最基本的用途就是用来表示“一”这概念,如: ① A stitch in time saves nine. ② Jason is an internationally known scholar. 此外,a/an 还有下列 6 种用途: 一常和time、measurement等有关的名词连用,以表示“每—” 的概念,如: ③ I teach five days a week. ④ This type of vegetables is sold at one dollar a kilo. ⑤ My car usually runs sixty kilometres an hour. 二常和 hundred, thousand, dozen 以及数目及数量连用,如: ⑥ That factory turns out at least a hundred tyres a day. ⑦ Noel's monthly salary is a thousand dollars. ⑧ I have a number of sponsored students. ⑨ Mary has a lot of money. 三在“of / at”后面出现,以表示“同一类”这概念,如: ⑩ Birds of a feather flock together. 11. Please come one at a time. 12. Things of a kind come together, so do people of a mind. 四常在“rather, quite, many, half, what, such”等字后面出现,形成固定用法,如: 13. Tom is rather a fool. 14. I think Chinese is quite a useful language. 15. Many a student has asked that question. 16. The visitor left half an hour ago. 17. What a fine day it is! 18. How can you say such a thing? 五用在“so, as, too, how +形容词”这些结构里,如: 19. We have not had so hot a day before. 20. Susan is as clever a girl as Anna. 21. That is too difficult a book for beginners. 22. No one knew how serious a problem it was until later. 六出现在许多惯用语中,如: 23. Bob always has a bone to pick with others. 24. Some students turned a deaf ear to the teacher's advice. 25. All must learn a language with an eye to mastering it. 26. I hope you will make an effort to attend the meeting punctually. 27. Jason has an aversion to being idle. 28. The news of Jack's sudden resignation came as a bolt from the blue.不定冠词最基本的用途就是用来表示“一”这概念,如: ① A stitch in time saves nine. ② Jason is an internationally known scholar. 此外,a/an 还有下列 6 种用途: 一常和time、measurement等有关的名词连用,以表示“每—” 的概念,如: ③ I teach five days a week. ④ This type of vegetables is sold at one dollar a kilo. ⑤ My car usually runs sixty kilometres an hour. 二常和 hundred, thousand, dozen 以及数目及数量连用,如: ⑥ That factory turns out at least a hundred tyres a day. ⑦ Noel's monthly salary is a thousand dollars. ⑧ I have a number of sponsored students. ⑨ Mary has a lot of money. 三在“of / at”后面出现,以表示“同一类”这概念,如: ⑩ Birds of a feather flock together. 11. Please come one at a time. 12. Things of a kind come together, so do people of a mind. 四常在“rather, quite, many, half, what, such”等字后面出现,形成固定用法,如: 13. Tom is rather a fool. 14. I think Chinese is quite a useful language. 15. Many a student has asked that question. 16. The visitor left half an hour ago. 17. What a fine day it is! 18. How can you say such a thing? 五用在“so, as, too, how +形容词”这些结构里,如: 19. We have not had so hot a day before. 20. Susan is as clever a girl as Anna. 21. That is too difficult a book for beginners. 22. No one knew how serious a problem it was until later. 六出现在许多惯用语中,如: 23. Bob always has a bone to pick with others. 24. Some students turned a deaf ear to the teacher's advice. 25. All must learn a language with an eye to mastering it. 26. I hope you will make an effort to attend the meeting punctually. 27. Jason has an aversion to being idle. 28. The news of Jack's sudden resignation came as a bolt from the blue.
一、a和an是不定冠词用法:
1.通常来说,a是用在以辅音开首的词前面,an是用在以元音开首的词前面。
2.可数名词前面用a(或an),不可数名词前面不可用a(或an),如可以说ahealthy boy,却不可以说ahealth。
3.在特定情况下,a(或an)可以用在复数形式前面:习语中有afew (books),agreat many (books)等表示方法。
4.a(或an)有时有“一个而不是那所要的一个”的意思。a也有“任何一个”的意思。
5.a与 few 搭配使用时,few 是“很少”,有“几乎没有”的意思。afew 是“若干”,有“颇有几个”的意思。注意,onlyafew 却等于 few,也是“很少”的意思。
二、the是定冠词用法:
1.特指双方都明白的人或物,例如:Take the medicine. 把药吃了。
2.上文提到过的人或事,例如:He bought a house.I'vebeen to the house.他买了幢房子。我去过那幢房子。
3.指世上独一物二的事物,例如:the sun, the sky, the moon, the earth.
4.单数名词连用表示一类事物,例如::the dollar 美元,the fox 狐狸;或与形容词或分词连用,表示一类人:the rich 富人; the living 生者。
a和an的区别和用法我们大家一开始学英语的时候最先接触的可能就是a和an了,今天我们来看看它们有什么区别和各自的用法:我们先来看看a和an的发音规则:a 是元音 an 是元音的辅音 后面 没有元音就用 a 有元音就用 an 元音字母是指语言里起着发声作用的字母,是为元音字母。元音又作“元音”在拉丁字母中,A、E、I、O、U通常都是元音字母. 辅音字母是一个和元音字母相对的条目,所有非元音字母的,就是辅音字母.
不定冠词a和an在意义和语法作用上完全一样,但用法却有区别,a应该放在以辅音开头的名词或其修饰语前,如a man, a ball而an则放在以元音开头的名词或其修饰语前,如an apple, an elephant。但是我们所说的元音并不是指元音字母而是指读音,因此在辨别上也就不是太容易,有的单词拼写是以辅音字母开头的,但读音却是元音,那么它前面就要用an如 an hour;有的单词虽然拼写是元音字母开头的,但读音是辅音,要用a 如a European;有的单词是元音字母开头的,有的前面加a有的前面加an,这要看它的发音而定,如an umbrella; a university。
以上就是英文a和an的用法的全部内容,- "an" 用于首次提及或非特指的单数可数名词。- "a" 用于任一单数可数名词前,特指一个例子或实例。在使用 "a" 和 "an" 时应注意的事项:1. 对于拼写以辅音字母开头但读音以元音开头的单词,如 "hour","honest","honor",应使用 "an"。2. 对于拼写以元音字母开头但读音以辅音开头的单词,内容来源于互联网,信息真伪需自行辨别。如有侵权请联系删除。