I need help with this too but my current method is the anchor method, because speech always comes up
introduction: Topic link then CAMP
Section 1: A vs B-language choices/ Lexis
Section 2: A-grammatical choices
Section 3: B and C- grammatical choices in comparison to As
Section 4: Syntax of A, B and C which sometimes comes under grammar (I don't know depends)
Section 5: As mode features in comparison to B or C (which is best suited)
Section 6: conclusion
This is what I've been using but I desperately need a new one