限定词：
some, any, many, much
• some, any 修饰可数名词或不可数名词，some用于肯定句，any用于否定句和疑问句。注意：当期待对方的答案为肯定回答时用some。
I have some milk.
I don't have any milk.
May I have some milk?
• many修饰可数名词，much修饰不可数名词。在口语中表示“很多”一般不用many, much, 而用a lot of, 在否定句中表示“很多”用many, much。
I have a lot of money.
I don't have much money.