could room
Regular verb: room - roomed- roomed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could room
you could room
she could room
we could room
you could room
they could room 	I could be rooming
you could be rooming
she could be rooming
we could be rooming
you could be rooming
they could be rooming	I could have roomed
you could have roomed
she could have roomed
we could have roomed
you could have roomed
they could have roomed	I could have been rooming
you could have been rooming
she could have been rooming
we could have been rooming
you could have been rooming
they could have been rooming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not room
you could not room
she could not room
we could not room
you could not room
they could not room 	I could not be rooming
you could not be rooming
she could not be rooming
we could not be rooming
you could not be rooming
they could not be rooming	I could not have roomed
you could not have roomed
she could not have roomed
we could not have roomed
you could not have roomed
they could not have roomed	I could not have been rooming
you could not have been rooming
she could not have been rooming
we could not have been rooming
you could not have been rooming
they could not have been rooming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I room?
could you room?
could she room?
could we room?
could you room?
could they room? 	could I be rooming?
could you be rooming?
could she be rooming?
could we be rooming?
could you be rooming?
could they be rooming? 	could I have roomed?
could you have roomed?
could she have roomed?
could we have roomed?
could you have roomed?
could they have roomed? 	could I have been rooming?
could you have been rooming?
could she have been rooming?
could we have been rooming?
could you have been rooming?
could they have been rooming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not room?
could you not room?
could she not room?
could we not room?
could you not room?
could they not room? 	could I not be rooming?
could you not be rooming?
could she not be rooming?
could we not be rooming?
could you not be rooming?
could they not be rooming? 	could I not have roomed?
could you not have roomed?
could she not have roomed?
could we not have roomed?
could you not have roomed?
could they not have roomed? 	could I not have been rooming?
could you not have been rooming?
could she not have been rooming?
could we not have been rooming?
could you not have been rooming?
could they not have been rooming?