The Problem Of Internal Bracketing

generic [structure potential] — the original concept in Hasan (1985): potential semantic structure of texts of a given type (genre)

[generic structure] potential  — the misreading by Martin (1992): potential structure of a genre

Subject As Marked Theme

don't	you	dare
Theme: marked		Rheme
Finite	Subject	Predicator
Mood		Residue

Verbiage As Marked Theme

more than that	I	cannot	say
Theme: marked	Rheme
Complement	Subject	Finite	Predicator
Verbiage	Sayer	Process: verbal