Past papers are a very useful tool in your preparation for exams. The link below will take you to the AQA site which has past papers and mark schemes available in PDF format.
Please download them and practice the past papers as part of your revision. You can mark them yourself using the mark schemed available.
AQA Revision Help Website
When the case arrives fro AS modules 2 and 3 you will be issued with more material to help with your revision.