Some and any both mean 'a number' or 'a few' (een paar van..)
In negative sentences you use any instead of some. For most questions you use any.
Remember negative sentences? Wel, these usually have the word not in it. Examples are:
For most questions that you may not know the answer to, we use any as wel. An example is:
But what about some?
Some is used in positive sentences and it is also used in questions when you are sure the answer is yes. Some examples are:
If you still need some help with understanding you can always use the Stepping Stones book online by looking at the videos.