any:1.There is not any water in the cup.2.Do you have any questions?some:1.There are some girls in the water.2.May I have some cakes?some一般用于肯定句，any 一般用于疑问句和否定局。但在表示吃内东西时或在商容店里疑问句一般用some.
Is there any water in the bottle?are there any birds in the tree?would you like some water?I want to ask some friends to my home
Some students are playing football, and others are playing baseball.
Some workers have a good rest, and others go on working.
I prefer English to Chinese.
I prefer doing the housework to doing the homework. （学习和锻炼身体一样重要）
see/hear sb do sth: 看到或听到某人做某事（全过程）
He saw a boy play basketball on the playground.
He hear a girl sing a song.
see/hear sb doing sth:看到或听到某人做某事（正在进行）
He saw a man running on the road.
He hear a girl singing in the room.
He is so young that he can't go to school.
She is so clever that she gets good grades.