Roleset need.01 Verbnet Class: 1 "need":

Roles:

Arg0:needer


Arg1:thing needed

Examples:

need an NP (-)
I need a flight to Seattle leaving from Baltimore making a stop in Minneapolis.
Arg0:	I
REL:	need
Arg1:	a flight to Seattle leaving from Baltimore making a stop in Minneapolis




need an infinitive (-)
I need *trace* to have dinner served *trace*
Arg0:	I
REL:	need
Arg1:	*trace* to have dinner served *trace*

The latter is properly a modal verb, but we'll tag it anyway.


need both an NP and an S (-)
Prosecutors need court permission *trace* to obtain the tax returns of an individual or a business.
Arg0:	Prosecutors
REL:	need
Arg1:	court permission
Argm-PNC:	*trace* to obtain the tax returns of an individual or a business.




need an S (-)
I need you to pay attention to the frames files!
Arg0:	I
REL:	need
Arg1:	you to pay attention to the frames files

Note the difference in structure between the two preceding examples. The key is the presence/absence of the trace in subject position of the lower clause.