I could geminate you could geminate he could geminate we could geminate you could geminate they could geminate
V-ing form
I could be geminating you could be geminating he could be geminating we could be geminating you could be geminating they could be geminating
Perfect
I could have geminated you could have geminated he could have geminated we could have geminated you could have geminated they could have geminated
V-ing perfect
I could have been geminating you could have been geminating he could have been geminating we could have been geminating you could have been geminating they could have been geminating
Negation
Simple form
I could not geminate you could not geminate he could not geminate we could not geminate you could not geminate they could not geminate
V-ing form
I could not be geminating you could not be geminating he could not be geminating we could not be geminating you could not be geminating they could not be geminating
Perfect
I could not have geminated you could not have geminated he could not have geminated we could not have geminated you could not have geminated they could not have geminated
V-ing perfect
I could not have been geminating you could not have been geminating he could not have been geminating we could not have been geminating you could not have been geminating they could not have been geminating
Interrogative form
Simple form
could I geminate? could you geminate? could he geminate? could we geminate? could you geminate? could they geminate?
V-ing form
could I be geminating? could you be geminating? could he be geminating? could we be geminating? could you be geminating? could they be geminating?
Perfect
could I have geminated? could you have geminated? could he have geminated? could we have geminated? could you have geminated? could they have geminated?
V-ing perfect
could I have been geminating? could you have been geminating? could he have been geminating? could we have been geminating? could you have been geminating? could they have been geminating?
Interro-negative form
Simple form
could I not geminate? could you not geminate? could he not geminate? could we not geminate? could you not geminate? could they not geminate?
V-ing form
could I not be geminating? could you not be geminating? could he not be geminating? could we not be geminating? could you not be geminating? could they not be geminating?
Perfect
could I not have geminated? could you not have geminated? could he not have geminated? could we not have geminated? could you not have geminated? could they not have geminated?
V-ing perfect
could I not have been geminating? could you not have been geminating? could he not have been geminating? could we not have been geminating? could you not have been geminating? could they not have been geminating?