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