F2 english,be quick!

a/an: 可數名詞 (countable nouns) 用:

1) 第一次提及:
I saw a boy this morning.

2) 冇指明邊一個:
I need a pen.

a/e/i/o/u/ 前用 AN (e.g. an apple) 但有例外:
a university, a uniform, a unit
an hour

the: 可數/不可數名詞都可用.
1) 第二次提及後用:
I saw a boy this morning. In the morning, I saw the boy again.

2) 講者已知邊一個:
I am going to the bank.
(你去來去去都係果一間銀行)

3) 世上只有一個:
The sun rises in the east.
I like the moon.
Beijing is the capital of China.

不加a/an/the 情況 (zero article):
1) 名字:
Mary is my best friend.

2) school/hospital/university/college/church
The man was sent to hospital.

3) bed/work/home
I am going to bed now.

4) 不可數名詞/眾數名詞 (整體性,冇指明)
I love money. (money 不可數, 又無須指明咩錢)
I love dogs (dog 可數, 但無須指明邊一類 = 咩狗都鍾意)

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1) 句子用 some:
I have some friends.
She has some money.

2) 問題 / 否定句 (有 not) 用 any:
Do you have any money?
I don't have any friends.

3) 句子用 no (負面意思):
I have no friends, so I always feel lonely.
She has no money because she doesn't want to work.