(共22张PPT)
考点①.不定冠词的用法
在读音是元音开头的单词前用an,读音是辅音开头
的单词前用a。一些常见单词的以元音字母开头的用a
an的情况
an apple/an artist/an aunt/an Asian country/an
aa
American gi
a European country/an egg/an eight-year-old
boy/an 11-year-old boy
an idea/an interesting story
an orange/ an o
d man/an outgoing gi
a useful book a university student/a uFO/a usual
U
story/an umbrella/ an ugly man/an uncle/an
unusual story/ an unhappy smile
【注意】
①以元音音素开头的字母:an“a,e,f,h,i,l,m,n,o,
r S. X
②有些单词虽以元音字母开头,但发音却是辅音;有些单
词是辅音字母开头,但发音却是元音。如
an hour. an honest man
a university. a useful t
a European countr
不定冠词具体用法
用于首次提到的一方不知道的人或物前。如
This is a robot
2.表示数量,有“一”的意思,相当于“one,但数的概念没
有one强烈。如:
a cup oi tea, a pair oI SoCKs, nine hours a day
Rome was not built in a day.冰冻三尺非一日之寒。
3.表示“每”,相当于
every
He works three days a week
4.表类指,表示“某类”。如:
She wants to be a singer
5.泛指某人或某物,但不具体说明是何人或何物。如
a girl is waiting for you
6.a/an+序数词,表示“再一;又一”之意,不强调顺序,而
是强调原有基础上的“又一个”,用来修饰或代替一个
单数名词。
7.用于不可数的抽象名词和物质名词之前,使其具体化。
Would you like a drink
8.用在一些固定搭配中。如:
catch a cold half an hour make a face take a seat in a
hurry, have a try, have a good time 5