Collocations for conscious - adj.

be, seem
become
remain

extremely, fairly, very, etc.
acutely, deeply, highly, intensely, terribly
She became acutely conscious that someone was watching her.
We are now deeply conscious of these issues.

completely, fully, perfectly
He was completely conscious of her warm body next to his.

increasingly
barely, hardly
I was hardly conscious of my surroundings.
Barely conscious of the flashing lights around him, Kevin recklessly weaved in and out of traffic.

vaguely
He fell, and was vaguely conscious of Tara standing over him.

painfully
He was painfully conscious of how hard it was going to be to explain.

environmentally, politically, socially
The company is extremely environmentally conscious (= aware of environmental problems and how to deal with them).
the development of socially conscious architecture

of
I am very conscious of the need for secrecy.

be
become
remain, stay (esp. AmE)
She remained conscious throughout the operation.
She was heavily sedated but struggled to stay conscious.

keep sb
Try to keep the patient conscious.

completely, fully
The patient is not yet fully conscious.

barely, hardly
One man was so drunk he was barely conscious.

minimally (AmE)
treatment decisions for persons in a minimally conscious state

half, partially (esp. AmE)
I was only half conscious.
Erin was only partially conscious.

Conscious is used with these nouns:
act, attempt, awareness, choice, effort, level, mind, perception, policy, self, thought, will, wish