A an the !!?

a : 一件物件或一個人物
eg. Alice works in a bank.

an : ( 不是 'a ') 用於以 a / e / i / o / u 為開首的字前
eg. Do you want an apple or a banana?

* 注意 :
an hour h 是不發音的 : an ( h ) our
a university ( 發音為 yuniversity )
a European country ( 發音為 yuropean )
another ( = an + other ) 是一個字
eg. Can I have another cup of tea?

a / an : 用於說明某事物或某人物
eg. The sun is a star.

a / an : 用於表示工作等等
eg. Would you like to be a teacher?

the : 用於特別指明某物件或某人物 , 而談話中的雙方都知道所指的是甚麼
eg. Turn off the light and close the door. ( = 那房間的燈和門 )

* 注意 : 別忘記加上 the :
Do you live near the city centre? ( 不是 'near city centre ')

the same
eg. We live in the same street. ( 不是 'in same street ')

在下列情況必須用 the :
the sun / the moon / the world / the sky / the sea / the country :
eg. the sky is blue and the sun is shining.

( 一個城市或國家的 ) the police / the fire brigade / the army :
eg. My brother is a soldier. He' s in the army.

the top / the end / the middle / the left 等等 :
eg. Write your name at the top of the page.

( play ) the piano / the guitar / the trumpet 等等 ( 樂器 ) :
eg. Paula is learning to play the piano.

the radio :
eg. I listen to the radio a lot.

在下列情況切勿用 the :
television:
eg. I watch television a lot.
但 ... Can you turn off the television ? ( = the TV set )

breakfast / lunch / dinner :
eg. What did you have for breakfast ?

next / last + week / month / year / summer / Monday 等等 :
eg. I' m not working next week.

a, an, the 三個都可以指明一樣東西的~

an:
art.
1. 一
It took us an hour and a half to finish the job.
我們花了一個半鐘頭才做完。
Stan is an old friend of mine.
斯坦是我的一位老朋友。
2. 任一
In Britain, an engine driver is a person who drives a railway engine.
在英國,engine driver指火車司機。
3. 某一
An American student wants to see you.
一位美國學生想見你。
4. 每一
He was paid seven dollars an hour.
他每小時的工資是七元。

the:
art.
1. 這(個),那(個)
Do you know the man talking to the boss?
你認識那個在跟老板說話的男人嗎?
2. 這些,那些
Have you got the letters I sent you?
我寄給你的那幾封信收到了嗎?

不過 A, AN 就一定只可以用係單數詞/字前面~
而A 就用係任何一個NOUN 既前面都OK!! except, 响音開頭個d~~~
相反~ 响音開頭個d就用 AN....
EG, AN egg, A boy, A girl, AN hour...
THE 就會係一個指明的東西上面~~ EG. A boy is 8 years old. THE boy goes to school. 即指明呢個8歲男孩返學~

1.a 同an都係同一個意思,都係一的意思。
2.an 係用於果個word的頭一個word如果係a,e,i,o,u,就要用。如果果個word頭一個word唔係a,e,i,o,u,就用a。
3.同上。