could depopulate
Regular verb: depopulate - depopulated- depopulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could depopulate
you could depopulate
he could depopulate
we could depopulate
you could depopulate
they could depopulate 	I could be depopulating
you could be depopulating
he could be depopulating
we could be depopulating
you could be depopulating
they could be depopulating	I could have depopulated
you could have depopulated
he could have depopulated
we could have depopulated
you could have depopulated
they could have depopulated	I could have been depopulating
you could have been depopulating
he could have been depopulating
we could have been depopulating
you could have been depopulating
they could have been depopulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't depopulate
you couldn't depopulate
he couldn't depopulate
we couldn't depopulate
you couldn't depopulate
they couldn't depopulate 	I couldn't be depopulating
you couldn't be depopulating
he couldn't be depopulating
we couldn't be depopulating
you couldn't be depopulating
they couldn't be depopulating	I couldn't have depopulated
you couldn't have depopulated
he couldn't have depopulated
we couldn't have depopulated
you couldn't have depopulated
they couldn't have depopulated	I couldn't have been depopulating
you couldn't have been depopulating
he couldn't have been depopulating
we couldn't have been depopulating
you couldn't have been depopulating
they couldn't have been depopulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I depopulate?
could you depopulate?
could he depopulate?
could we depopulate?
could you depopulate?
could they depopulate? 	could I be depopulating?
could you be depopulating?
could he be depopulating?
could we be depopulating?
could you be depopulating?
could they be depopulating? 	could I have depopulated?
could you have depopulated?
could he have depopulated?
could we have depopulated?
could you have depopulated?
could they have depopulated? 	could I have been depopulating?
could you have been depopulating?
could he have been depopulating?
could we have been depopulating?
could you have been depopulating?
could they have been depopulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I depopulate?
couldn't you depopulate?
couldn't he depopulate?
couldn't we depopulate?
couldn't you depopulate?
couldn't they depopulate? 	couldn't I be depopulating?
couldn't you be depopulating?
couldn't he be depopulating?
couldn't we be depopulating?
couldn't you be depopulating?
couldn't they be depopulating? 	couldn't I have depopulated?
couldn't you have depopulated?
couldn't he have depopulated?
couldn't we have depopulated?
couldn't you have depopulated?
couldn't they have depopulated? 	couldn't I have been depopulating?
couldn't you have been depopulating?
couldn't he have been depopulating?
couldn't we have been depopulating?
couldn't you have been depopulating?
couldn't they have been depopulating?