It doesn't have a tense as it's an adverb.
No. Nervously is an adverb. The adjective form is nervous(anxious, worried, jittery).
Yes, the word nervously is an adverb.
I was shaking nervously when a test arrived at my desk.
it means by his standards you are nervously tense and boringly conventional.
the student answered the teacher's question nervously.
scaredly
3
anxiously, tensely
Just then, the man reputed to be shakiest gun in the West began to speak nervously.
The anagram is "nerviosamente" (nervously).
furtively, inconspicuously, nervously, quietly
Tremble, shuffle, twitch, fidget