定冠词和不定冠词的用法
定冠词和不定冠词的用法如下:
不定冠词
(1)不定冠词a和an的区别是:a用在以辅音开始的单词前面,an用在以元音开始的单词前面,如:
an island, an owl, an effective method, an old man, a fierce tiger, a university, etc.
注意要以单词发音的第一个音素为准,不要以拼写的第一个字母为依据,这就是为什么像university, unique, unified这些词,其前面用a而不用an的原因所在。
(2)不定冠词一个基本意义就是。ne,因此,很显然,它不能和复数名词一起用。例如:
(误)An ears is an organ for listening.
(正)An ear is an organ for listening.
定冠词
定冠词,顾名思义,是用来指特定的人或物的,这是它的基本的用法。定冠词的用法。
(1)肯定用定冠词情况:①上文中已经讲到过的;②后面有限定性的修饰语的;③说话双方所共知的;④世上与众不同的。如:
Cut up a tomato, and put the tomato on the bread. ( tomato是上文中提到过的)
The singer in that room was given a warm welcome by his fans. ( singer后面有in thatroom的限制)
Please fill in the form and sign it. ( form是双方所共知的)
Which is the biggest, the sun, the moon or the earth? ( sun, moon, earth都是世界上罕有的的)。