a的用法与搭配
a和an用法顺口溜:不定冠词a和an,单数可数名词前;辅音若在词首发,词前只把a来加;元音若在词首放,词前an词不敢忘;不定冠词相当one,但不强调数观念;不定冠词很关键,四个所指记心间.(每指、泛指、类指和某指)
扩展资料
不定冠词a/an的用法:
不定冠词有两个,a 和 an。a用在辅音开头的'单词前面;an用于以元音开头的单词前。如:a book, an apple。具体用法如下:
1)表示“一个”、“某一个”、“ 每一”、“再一,又一”、或“同一,相同”等
Eg:
Rome is not built in a day.
A Mr. Smith is waiting for you at the school gate.
He usually works eight hours a day.
You can try it a second time if you fail.
They are of an age./ Birds of a feather flocks together.
2)泛指某一类人或物,意为“任何一个,任一”
Eg:
A square has four sides.
3)当物质名词具体化表示“一(类、阵、份)”等;抽象名词具体化为“……的人或者事”时
Eg:
Green tea is a wonderful tea.
We don’t have much rain here, but last night we had a heavy rain.
Reading is a pleasure for me.
The meeting is a great success.
4)表示季节、月份、日期、三餐的名词,或表示世上独一无二的物体名词前有形容词修饰时:
Eg:
We have a every cold winter last year.
This happened on a rain Sunday towards the end of May.
We hope we can see a full moon tonight.
5)源于动词的名词与take/have 连用时:
Take a look; take a walk; have a break; have a visit to…
特殊用法有些单词的首字母虽然是以元音字母开头,但是,当它的读音是以辅音音素开头的时候,它前面的冠词就不能和一般元音字母开头的单词一样用an,而是应该用冠词a。例如: a useful......
1.to做介词时,表示“到,向,往”,如go to,fly to,后面跟名词作定语,构成介宾结构,也可以跟动名词;2.to做动词不定式,也就是to do形式,后面必须跟动词原形,如:want to do,be happy to do。扩......
come out结果是,出现,出版,曝光,冲洗。come out后面一般不跟宾语,其主语通常是指事物的名词。扩展资料When does her new book come out?她的新书什么时候出版?If youre stuck for......
aboard的基本意思有二,表示状态时意为“在船〔飞机,火车,公共汽车等〕上 ”,表示方向时意为“上船〔飞机,火车,公共汽车等〕”,所涉及的交通工具规模通常较大,故不常与car等连用。......
permit的基本意思是指许可、天气、时间、健康状况或某人等允许某人去某处或做某事。既可用作及物动词,也可用作不及物动词。常见短语:permit into;permit of;permit out ;permit......
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