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