Are there (some/any) apples in the bag? oh,we have (any/no) milk

Are there any apples in the bag?

Oh,we have no milk in the fridge. Lets go to the shop.

There is some butter on the table.

Have you got any pens in this pencil-case? 

Any употребляется только в вопросах и отрицаниях 

-Have you got any milk?

- No, I have not got any.

Some употребляется только в утвердительных предложениях.

There is some butter on the table