Projecting Clause Nexus vs Projecting Verbal Group Nexus

projecting clause nexus interpretation:

Honey	don't forget	to pay	the bill	before	the week	is	over
α		' β proposal
		α		x β temporal
	Process: mental	Process: material	Scope		Carrier	Process: attributive	Attribute

that afternoon	we	decided	to go	over the wall
α			' β
Location: time	Senser	Process: mental	Process: material	Location: place

projecting verbal group nexus interpretation:

Honey	don't forget	to pay	the bill	before	the week	is	over
α				x β
	Process: material		Scope		Carrier	Process: attributive	Attribute
	α	' β

that afternoon	we	decided to go		over the wall
Location: time	Actor	Process: material		Location: place
		α	' β

See Halliday & Matthiessen (2014: 584-92).