could louse
Regular verb: louse - loused- loused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could louse
you could louse
he could louse
we could louse
you could louse
they could louse 	I could be lousing
you could be lousing
he could be lousing
we could be lousing
you could be lousing
they could be lousing	I could have loused
you could have loused
he could have loused
we could have loused
you could have loused
they could have loused	I could have been lousing
you could have been lousing
he could have been lousing
we could have been lousing
you could have been lousing
they could have been lousing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't louse
you couldn't louse
he couldn't louse
we couldn't louse
you couldn't louse
they couldn't louse 	I couldn't be lousing
you couldn't be lousing
he couldn't be lousing
we couldn't be lousing
you couldn't be lousing
they couldn't be lousing	I couldn't have loused
you couldn't have loused
he couldn't have loused
we couldn't have loused
you couldn't have loused
they couldn't have loused	I couldn't have been lousing
you couldn't have been lousing
he couldn't have been lousing
we couldn't have been lousing
you couldn't have been lousing
they couldn't have been lousing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I louse?
could you louse?
could he louse?
could we louse?
could you louse?
could they louse? 	could I be lousing?
could you be lousing?
could he be lousing?
could we be lousing?
could you be lousing?
could they be lousing? 	could I have loused?
could you have loused?
could he have loused?
could we have loused?
could you have loused?
could they have loused? 	could I have been lousing?
could you have been lousing?
could he have been lousing?
could we have been lousing?
could you have been lousing?
could they have been lousing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I louse?
couldn't you louse?
couldn't he louse?
couldn't we louse?
couldn't you louse?
couldn't they louse? 	couldn't I be lousing?
couldn't you be lousing?
couldn't he be lousing?
couldn't we be lousing?
couldn't you be lousing?
couldn't they be lousing? 	couldn't I have loused?
couldn't you have loused?
couldn't he have loused?
couldn't we have loused?
couldn't you have loused?
couldn't they have loused? 	couldn't I have been lousing?
couldn't you have been lousing?
couldn't he have been lousing?
couldn't we have been lousing?
couldn't you have been lousing?
couldn't they have been lousing?