For english lit CGP revision guides are a life saver, you can get them second hand on buy and sell facebook groups, ebay or new from whsmiths. Making flashcards for quotes so you can remember them for analysis within the exam. Make simple mindmaps linking themes and characters so you know where to take your analysis in the exam to get extra marks and more critical sophisticated analysis. Youtubers like Mr Bruff and Mrr Salles (my personal favourite as he covers high-level ideas) can help for note-taking or casual revision.
For english language its more difficult to revise but still possible. Practise papers are key (I'm in year 11 and including mocks I've done about 6 practice papers in the past few months) to improving. Remembering structure PEARL/PEE/PEAZL is important as well as making yourself a checklist to memorise (e.g for english lang p1 section b creative writing I remember: 5 different types of punctation, 5 different sentence structures MINIMUM 5 different language techniques). For paper 2 remember pirate mouse and for both remember layers of meaning, train yourself to think outside the box.
Hope this helps!