could triturate
Regular verb: triturate - triturated- triturated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could triturate
you could triturate
he could triturate
we could triturate
you could triturate
they could triturate 	I could be triturating
you could be triturating
he could be triturating
we could be triturating
you could be triturating
they could be triturating	I could have triturated
you could have triturated
he could have triturated
we could have triturated
you could have triturated
they could have triturated	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 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't triturate
you couldn't triturate
he couldn't triturate
we couldn't triturate
you couldn't triturate
they couldn't triturate 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
could I triturate?
could you triturate?
could he triturate?
could we triturate?
could you triturate?
could they triturate? 	could I be triturating?
could you be triturating?
could he be triturating?
could we be triturating?
could you be triturating?
could they be triturating? 	could I have triturated?
could you have triturated?
could he have triturated?
could we have triturated?
could you have triturated?
could they have triturated? 	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 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I triturate?
couldn't you triturate?
couldn't he triturate?
couldn't we triturate?
couldn't you triturate?
couldn't they triturate? 	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? 	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? 	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?