Mental Vs Attributive Relational

it	matters	to me
Carrier	Process/Attribute	Angle: viewpoint

I	care	about it
Senser	Process: mental	Matter

it	concerns (‘worries’)	me
Phenomenon	Process: mental	Senser

it	concerns (‘is about’)	me
Carrier	Process: relational: circumstantial	Attribute

Mental Assignment Vs Mental Projection [1]

He	thinks	it	funny
Attributor	Process: relational	Carrier	Attribute

He	thinks		it	is	funny
Senser	Process: mental		Carrier	Process: relational	Attribute

Phased Attribution

The pearls	would break back into	salt
Carrier	Process: intensive	Attribute

(See Halliday & Matthiessen 2004: 219.)

But note that the lexical item break invites a material (transformative: destructive) interpretation.