could deplete
Regular verb: deplete - depleted- depleted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could deplete
you could deplete
he could deplete
we could deplete
you could deplete
they could deplete 	I could be depleting
you could be depleting
he could be depleting
we could be depleting
you could be depleting
they could be depleting	I could have depleted
you could have depleted
he could have depleted
we could have depleted
you could have depleted
they could have depleted	I could have been depleting
you could have been depleting
he could have been depleting
we could have been depleting
you could have been depleting
they could have been depleting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't deplete
you couldn't deplete
he couldn't deplete
we couldn't deplete
you couldn't deplete
they couldn't deplete 	I couldn't be depleting
you couldn't be depleting
he couldn't be depleting
we couldn't be depleting
you couldn't be depleting
they couldn't be depleting	I couldn't have depleted
you couldn't have depleted
he couldn't have depleted
we couldn't have depleted
you couldn't have depleted
they couldn't have depleted	I couldn't have been depleting
you couldn't have been depleting
he couldn't have been depleting
we couldn't have been depleting
you couldn't have been depleting
they couldn't have been depleting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I deplete?
could you deplete?
could he deplete?
could we deplete?
could you deplete?
could they deplete? 	could I be depleting?
could you be depleting?
could he be depleting?
could we be depleting?
could you be depleting?
could they be depleting? 	could I have depleted?
could you have depleted?
could he have depleted?
could we have depleted?
could you have depleted?
could they have depleted? 	could I have been depleting?
could you have been depleting?
could he have been depleting?
could we have been depleting?
could you have been depleting?
could they have been depleting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I deplete?
couldn't you deplete?
couldn't he deplete?
couldn't we deplete?
couldn't you deplete?
couldn't they deplete? 	couldn't I be depleting?
couldn't you be depleting?
couldn't he be depleting?
couldn't we be depleting?
couldn't you be depleting?
couldn't they be depleting? 	couldn't I have depleted?
couldn't you have depleted?
couldn't he have depleted?
couldn't we have depleted?
couldn't you have depleted?
couldn't they have depleted? 	couldn't I have been depleting?
couldn't you have been depleting?
couldn't he have been depleting?
couldn't we have been depleting?
couldn't you have been depleting?
couldn't they have been depleting?