Bored of Studies is Australia’s largest online student community, with over 10 000 notes, guides, past papers, summaries and more. You will need to register with them to access their resources, which is free to do. You can check them out here.
The Board of Studies provides past papers that you can download. You do not have to sign up to access their resources. You can check out past papers here.
The tutoring website Art of Smart provides free access to study guides and past papers for a variety of subjects. You will have to sign up with them to access these resources with your email. Unfortunately, Art of Smart does not have resources for ESL English, however there are plenty of resources at Bored of Studies. Check out your options here.