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