could purse-seine
Regular verb: purse-seine - purse-seined- purse-seined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could purse-seine
you could purse-seine
he could purse-seine
we could purse-seine
you could purse-seine
they could purse-seine 	I could be purse-seining
you could be purse-seining
he could be purse-seining
we could be purse-seining
you could be purse-seining
they could be purse-seining	I could have purse-seined
you could have purse-seined
he could have purse-seined
we could have purse-seined
you could have purse-seined
they could have purse-seined	I could have been purse-seining
you could have been purse-seining
he could have been purse-seining
we could have been purse-seining
you could have been purse-seining
they could have been purse-seining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't purse-seine
you couldn't purse-seine
he couldn't purse-seine
we couldn't purse-seine
you couldn't purse-seine
they couldn't purse-seine 	I couldn't be purse-seining
you couldn't be purse-seining
he couldn't be purse-seining
we couldn't be purse-seining
you couldn't be purse-seining
they couldn't be purse-seining	I couldn't have purse-seined
you couldn't have purse-seined
he couldn't have purse-seined
we couldn't have purse-seined
you couldn't have purse-seined
they couldn't have purse-seined	I couldn't have been purse-seining
you couldn't have been purse-seining
he couldn't have been purse-seining
we couldn't have been purse-seining
you couldn't have been purse-seining
they couldn't have been purse-seining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I purse-seine?
could you purse-seine?
could he purse-seine?
could we purse-seine?
could you purse-seine?
could they purse-seine? 	could I be purse-seining?
could you be purse-seining?
could he be purse-seining?
could we be purse-seining?
could you be purse-seining?
could they be purse-seining? 	could I have purse-seined?
could you have purse-seined?
could he have purse-seined?
could we have purse-seined?
could you have purse-seined?
could they have purse-seined? 	could I have been purse-seining?
could you have been purse-seining?
could he have been purse-seining?
could we have been purse-seining?
could you have been purse-seining?
could they have been purse-seining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I purse-seine?
couldn't you purse-seine?
couldn't he purse-seine?
couldn't we purse-seine?
couldn't you purse-seine?
couldn't they purse-seine? 	couldn't I be purse-seining?
couldn't you be purse-seining?
couldn't he be purse-seining?
couldn't we be purse-seining?
couldn't you be purse-seining?
couldn't they be purse-seining? 	couldn't I have purse-seined?
couldn't you have purse-seined?
couldn't he have purse-seined?
couldn't we have purse-seined?
couldn't you have purse-seined?
couldn't they have purse-seined? 	couldn't I have been purse-seining?
couldn't you have been purse-seining?
couldn't he have been purse-seining?
couldn't we have been purse-seining?
couldn't you have been purse-seining?
couldn't they have been purse-seining?