Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can trepider you can trepider he can trepider we can trepider you can trepider they can trepider
V-ing form
I can be trepidering you can be trepidering he can be trepidering we can be trepidering you can be trepidering they can be trepidering
Perfect
I can have trepidered you can have trepidered he can have trepidered we can have trepidered you can have trepidered they can have trepidered
V-ing perfect
I can have been trepidering you can have been trepidering he can have been trepidering we can have been trepidering you can have been trepidering they can have been trepidering
Negation
Simple form
I cannot trepider you cannot trepider he cannot trepider we cannot trepider you cannot trepider they cannot trepider
V-ing form
I cannot be trepidering you cannot be trepidering he cannot be trepidering we cannot be trepidering you cannot be trepidering they cannot be trepidering
Perfect
I cannot have trepidered you cannot have trepidered he cannot have trepidered we cannot have trepidered you cannot have trepidered they cannot have trepidered
V-ing perfect
I cannot have been trepidering you cannot have been trepidering he cannot have been trepidering we cannot have been trepidering you cannot have been trepidering they cannot have been trepidering
Interrogative form
Simple form
can I trepider? can you trepider? can he trepider? can we trepider? can you trepider? can they trepider?
V-ing form
can I be trepidering? can you be trepidering? can he be trepidering? can we be trepidering? can you be trepidering? can they be trepidering?
Perfect
can I have trepidered? can you have trepidered? can he have trepidered? can we have trepidered? can you have trepidered? can they have trepidered?
V-ing perfect
can I have been trepidering? can you have been trepidering? can he have been trepidering? can we have been trepidering? can you have been trepidering? can they have been trepidering?
Interro-negative form
Simple form
can I not trepider? can you not trepider? can he not trepider? can we not trepider? can you not trepider? can they not trepider?
V-ing form
can I not be trepidering? can you not be trepidering? can he not be trepidering? can we not be trepidering? can you not be trepidering? can they not be trepidering?
Perfect
can I not have trepidered? can you not have trepidered? can he not have trepidered? can we not have trepidered? can you not have trepidered? can they not have trepidered?
V-ing perfect
can I not have been trepidering? can you not have been trepidering? can he not have been trepidering? can we not have been trepidering? can you not have been trepidering? can they not have been trepidering?