Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could impulse you could impulse he could impulse we could impulse you could impulse they could impulse
V-ing form
I could be impulsing you could be impulsing he could be impulsing we could be impulsing you could be impulsing they could be impulsing
Perfect
I could have impulsed you could have impulsed he could have impulsed we could have impulsed you could have impulsed they could have impulsed
V-ing perfect
I could have been impulsing you could have been impulsing he could have been impulsing we could have been impulsing you could have been impulsing they could have been impulsing
Negation
Simple form
I could not impulse you could not impulse he could not impulse we could not impulse you could not impulse they could not impulse
V-ing form
I could not be impulsing you could not be impulsing he could not be impulsing we could not be impulsing you could not be impulsing they could not be impulsing
Perfect
I could not have impulsed you could not have impulsed he could not have impulsed we could not have impulsed you could not have impulsed they could not have impulsed
V-ing perfect
I could not have been impulsing you could not have been impulsing he could not have been impulsing we could not have been impulsing you could not have been impulsing they could not have been impulsing
Interrogative form
Simple form
could I impulse? could you impulse? could he impulse? could we impulse? could you impulse? could they impulse?
V-ing form
could I be impulsing? could you be impulsing? could he be impulsing? could we be impulsing? could you be impulsing? could they be impulsing?
Perfect
could I have impulsed? could you have impulsed? could he have impulsed? could we have impulsed? could you have impulsed? could they have impulsed?
V-ing perfect
could I have been impulsing? could you have been impulsing? could he have been impulsing? could we have been impulsing? could you have been impulsing? could they have been impulsing?
Interro-negative form
Simple form
could I not impulse? could you not impulse? could he not impulse? could we not impulse? could you not impulse? could they not impulse?
V-ing form
could I not be impulsing? could you not be impulsing? could he not be impulsing? could we not be impulsing? could you not be impulsing? could they not be impulsing?
Perfect
could I not have impulsed? could you not have impulsed? could he not have impulsed? could we not have impulsed? could you not have impulsed? could they not have impulsed?
V-ing perfect
could I not have been impulsing? could you not have been impulsing? could he not have been impulsing? could we not have been impulsing? could you not have been impulsing? could they not have been impulsing?