2003 report by Schleppegrell that looks at text types students are expected to write and discusses how teachers can help students develop proficiency through a functional approach to grammar and explicit attention to language features (PDF).
Useful information especially on how writers develop and connect ideas in text. Includes theme and rheme, nominalisation, reference and ellipsis. Helpful for teachers when analysing and teaching written text. From the Assessment Resource Banks.
2005 Report on researchers at the University of York who say teaching formal grammar in a traditional way is not effective in teaching students to write.The teaching of 'sentence combining' may be one of the more effective approaches.