The Academic Phrasebank, created by John Morley, is a general resource for academic writers. Whether you need to write a topic sentence, refer to sources, report results, write conclusions, define words, or explain causality, this website has many ideas to improve your writing and sentence structure.
Another University of Sydney sites for improving your writing skills.
Each module provides descriptions of common problems in academic and professional writing and strategies for addressing them. You will see samples of good writing and also do some practice activities in error correction.
Components of an effective critical essay (Psychology)