Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could sprawl. proliferate you could sprawl. proliferate he could sprawl. proliferate we could sprawl. proliferate you could sprawl. proliferate they could sprawl. proliferate
V-ing form
I could be sprawl. proliferating you could be sprawl. proliferating he could be sprawl. proliferating we could be sprawl. proliferating you could be sprawl. proliferating they could be sprawl. proliferating
Perfect
I could have sprawl. proliferated you could have sprawl. proliferated he could have sprawl. proliferated we could have sprawl. proliferated you could have sprawl. proliferated they could have sprawl. proliferated
V-ing perfect
I could have been sprawl. proliferating you could have been sprawl. proliferating he could have been sprawl. proliferating we could have been sprawl. proliferating you could have been sprawl. proliferating they could have been sprawl. proliferating
Negation
Simple form
I couldn't sprawl. proliferate you couldn't sprawl. proliferate he couldn't sprawl. proliferate we couldn't sprawl. proliferate you couldn't sprawl. proliferate they couldn't sprawl. proliferate
V-ing form
I couldn't be sprawl. proliferating you couldn't be sprawl. proliferating he couldn't be sprawl. proliferating we couldn't be sprawl. proliferating you couldn't be sprawl. proliferating they couldn't be sprawl. proliferating
Perfect
I couldn't have sprawl. proliferated you couldn't have sprawl. proliferated he couldn't have sprawl. proliferated we couldn't have sprawl. proliferated you couldn't have sprawl. proliferated they couldn't have sprawl. proliferated
V-ing perfect
I couldn't have been sprawl. proliferating you couldn't have been sprawl. proliferating he couldn't have been sprawl. proliferating we couldn't have been sprawl. proliferating you couldn't have been sprawl. proliferating they couldn't have been sprawl. proliferating
Interrogative form
Simple form
could I sprawl. proliferate? could you sprawl. proliferate? could he sprawl. proliferate? could we sprawl. proliferate? could you sprawl. proliferate? could they sprawl. proliferate?
V-ing form
could I be sprawl. proliferating? could you be sprawl. proliferating? could he be sprawl. proliferating? could we be sprawl. proliferating? could you be sprawl. proliferating? could they be sprawl. proliferating?
Perfect
could I have sprawl. proliferated? could you have sprawl. proliferated? could he have sprawl. proliferated? could we have sprawl. proliferated? could you have sprawl. proliferated? could they have sprawl. proliferated?
V-ing perfect
could I have been sprawl. proliferating? could you have been sprawl. proliferating? could he have been sprawl. proliferating? could we have been sprawl. proliferating? could you have been sprawl. proliferating? could they have been sprawl. proliferating?
Interro-negative form
Simple form
couldn't I sprawl. proliferate? couldn't you sprawl. proliferate? couldn't he sprawl. proliferate? couldn't we sprawl. proliferate? couldn't you sprawl. proliferate? couldn't they sprawl. proliferate?
V-ing form
couldn't I be sprawl. proliferating? couldn't you be sprawl. proliferating? couldn't he be sprawl. proliferating? couldn't we be sprawl. proliferating? couldn't you be sprawl. proliferating? couldn't they be sprawl. proliferating?
Perfect
couldn't I have sprawl. proliferated? couldn't you have sprawl. proliferated? couldn't he have sprawl. proliferated? couldn't we have sprawl. proliferated? couldn't you have sprawl. proliferated? couldn't they have sprawl. proliferated?
V-ing perfect
couldn't I have been sprawl. proliferating? couldn't you have been sprawl. proliferating? couldn't he have been sprawl. proliferating? couldn't we have been sprawl. proliferating? couldn't you have been sprawl. proliferating? couldn't they have been sprawl. proliferating?