English verb conjugation
COULD ROOM

Regular verb: room - roomed - roomed

Affirmation

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