Collocations for nervous - adj.

appear, be, feel, look, seem, sound
Both men appeared nervous.

become, get, grow
make sb
Sit down—you're making me nervous!

extremely, fairly, very, etc.
desperately, highly, incredibly
He had worked himself up into a highly nervous state.

increasingly
almost
a little, slightly, etc.
suddenly
clearly, obviously, visibly
understandably

about
nervous about the wedding

at
nervous at what might happen

of
I was slightly nervous of him.

Nervous is used with these nouns:
anticipation, breakdown, chatter, chuckle, collapse, disorder, disposition, energy, excitement, exhaustion, finger, giggle, glance, habit, hand, horse, laugh, laughter, reaction, stammer, state, strain, system, temperament, tension, tremor, twitch, wait, wreck