could loom
Regular verb: loom - loomed- loomed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could loom
you could loom
he could loom
we could loom
you could loom
they could loom 	I could be looming
you could be looming
he could be looming
we could be looming
you could be looming
they could be looming	I could have loomed
you could have loomed
he could have loomed
we could have loomed
you could have loomed
they could have loomed	I could have been looming
you could have been looming
he could have been looming
we could have been looming
you could have been looming
they could have been looming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't loom
you couldn't loom
he couldn't loom
we couldn't loom
you couldn't loom
they couldn't loom 	I couldn't be looming
you couldn't be looming
he couldn't be looming
we couldn't be looming
you couldn't be looming
they couldn't be looming	I couldn't have loomed
you couldn't have loomed
he couldn't have loomed
we couldn't have loomed
you couldn't have loomed
they couldn't have loomed	I couldn't have been looming
you couldn't have been looming
he couldn't have been looming
we couldn't have been looming
you couldn't have been looming
they couldn't have been looming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I loom?
could you loom?
could he loom?
could we loom?
could you loom?
could they loom? 	could I be looming?
could you be looming?
could he be looming?
could we be looming?
could you be looming?
could they be looming? 	could I have loomed?
could you have loomed?
could he have loomed?
could we have loomed?
could you have loomed?
could they have loomed? 	could I have been looming?
could you have been looming?
could he have been looming?
could we have been looming?
could you have been looming?
could they have been looming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I loom?
couldn't you loom?
couldn't he loom?
couldn't we loom?
couldn't you loom?
couldn't they loom? 	couldn't I be looming?
couldn't you be looming?
couldn't he be looming?
couldn't we be looming?
couldn't you be looming?
couldn't they be looming? 	couldn't I have loomed?
couldn't you have loomed?
couldn't he have loomed?
couldn't we have loomed?
couldn't you have loomed?
couldn't they have loomed? 	couldn't I have been looming?
couldn't you have been looming?
couldn't he have been looming?
couldn't we have been looming?
couldn't you have been looming?
couldn't they have been looming?