could disconnect
Regular verb: disconnect - disconnected- disconnected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could disconnect
you could disconnect
she could disconnect
we could disconnect
you could disconnect
they could disconnect 	I could be disconnecting
you could be disconnecting
she could be disconnecting
we could be disconnecting
you could be disconnecting
they could be disconnecting	I could have disconnected
you could have disconnected
she could have disconnected
we could have disconnected
you could have disconnected
they could have disconnected	I could have been disconnecting
you could have been disconnecting
she could have been disconnecting
we could have been disconnecting
you could have been disconnecting
they could have been disconnecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't disconnect
you couldn't disconnect
she couldn't disconnect
we couldn't disconnect
you couldn't disconnect
they couldn't disconnect 	I couldn't be disconnecting
you couldn't be disconnecting
she couldn't be disconnecting
we couldn't be disconnecting
you couldn't be disconnecting
they couldn't be disconnecting	I couldn't have disconnected
you couldn't have disconnected
she couldn't have disconnected
we couldn't have disconnected
you couldn't have disconnected
they couldn't have disconnected	I couldn't have been disconnecting
you couldn't have been disconnecting
she couldn't have been disconnecting
we couldn't have been disconnecting
you couldn't have been disconnecting
they couldn't have been disconnecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I disconnect?
could you disconnect?
could she disconnect?
could we disconnect?
could you disconnect?
could they disconnect? 	could I be disconnecting?
could you be disconnecting?
could she be disconnecting?
could we be disconnecting?
could you be disconnecting?
could they be disconnecting? 	could I have disconnected?
could you have disconnected?
could she have disconnected?
could we have disconnected?
could you have disconnected?
could they have disconnected? 	could I have been disconnecting?
could you have been disconnecting?
could she have been disconnecting?
could we have been disconnecting?
could you have been disconnecting?
could they have been disconnecting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I disconnect?
couldn't you disconnect?
couldn't she disconnect?
couldn't we disconnect?
couldn't you disconnect?
couldn't they disconnect? 	couldn't I be disconnecting?
couldn't you be disconnecting?
couldn't she be disconnecting?
couldn't we be disconnecting?
couldn't you be disconnecting?
couldn't they be disconnecting? 	couldn't I have disconnected?
couldn't you have disconnected?
couldn't she have disconnected?
couldn't we have disconnected?
couldn't you have disconnected?
couldn't they have disconnected? 	couldn't I have been disconnecting?
couldn't you have been disconnecting?
couldn't she have been disconnecting?
couldn't we have been disconnecting?
couldn't you have been disconnecting?
couldn't they have been disconnecting?