Those who want to feel deeper IELTS criteria can take advantage of an excellent course: This ebook that explains in detail various strategies and requirements.
Traditionally, millions of students view IELTS Writing as the most difficult task out of all the four modules. IELTS statistics for 2012 proves that both male and female candidates score about 0.5 less for writing than for other modules. Why does it happen?
First, many students are not used to letters, graph analyses or essays in English. They need to study the structure, cohesion markers and style parameters. Second, most people lack the knowledge of less common vocabulary and grammar structures. Third, even those who train hard do not understand examiners' criteria well enough.
Even IELTS coaches, who train students specifically for this exam, seldom understand in detail each criterion. Personally, I studied and analysed IELTS band descriptors, but it was only after two seminars with IELTS Principal Examiner that I actually grasped their meaning
It may be wise to use Passive Voice (but not over-use), Conditional sentences, Modals, Complex Object, Inversion, Participial constructions.