I could triturate you could triturate he could triturate we could triturate you could triturate they could triturate
V-ing form
I could be triturating you could be triturating he could be triturating we could be triturating you could be triturating they could be triturating
Perfect
I could have triturated you could have triturated he could have triturated we could have triturated you could have triturated they could have triturated
V-ing perfect
I could have been triturating you could have been triturating he could have been triturating we could have been triturating you could have been triturating they could have been triturating
Negation
Simple form
I couldn't triturate you couldn't triturate he couldn't triturate we couldn't triturate you couldn't triturate they couldn't triturate
V-ing form
I couldn't be triturating you couldn't be triturating he couldn't be triturating we couldn't be triturating you couldn't be triturating they couldn't be triturating
Perfect
I couldn't have triturated you couldn't have triturated he couldn't have triturated we couldn't have triturated you couldn't have triturated they couldn't have triturated
V-ing perfect
I couldn't have been triturating you couldn't have been triturating he couldn't have been triturating we couldn't have been triturating you couldn't have been triturating they couldn't have been triturating
Interrogative form
Simple form
could I triturate? could you triturate? could he triturate? could we triturate? could you triturate? could they triturate?
V-ing form
could I be triturating? could you be triturating? could he be triturating? could we be triturating? could you be triturating? could they be triturating?
Perfect
could I have triturated? could you have triturated? could he have triturated? could we have triturated? could you have triturated? could they have triturated?
V-ing perfect
could I have been triturating? could you have been triturating? could he have been triturating? could we have been triturating? could you have been triturating? could they have been triturating?
Interro-negative form
Simple form
couldn't I triturate? couldn't you triturate? couldn't he triturate? couldn't we triturate? couldn't you triturate? couldn't they triturate?
V-ing form
couldn't I be triturating? couldn't you be triturating? couldn't he be triturating? couldn't we be triturating? couldn't you be triturating? couldn't they be triturating?
Perfect
couldn't I have triturated? couldn't you have triturated? couldn't he have triturated? couldn't we have triturated? couldn't you have triturated? couldn't they have triturated?
V-ing perfect
couldn't I have been triturating? couldn't you have been triturating? couldn't he have been triturating? couldn't we have been triturating? couldn't you have been triturating? couldn't they have been triturating?