could loiter
Regular verb: loiter - loitered- loitered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could loiter
you could loiter
she could loiter
we could loiter
you could loiter
they could loiter 	I could be loitering
you could be loitering
she could be loitering
we could be loitering
you could be loitering
they could be loitering	I could have loitered
you could have loitered
she could have loitered
we could have loitered
you could have loitered
they could have loitered	I could have been loitering
you could have been loitering
she could have been loitering
we could have been loitering
you could have been loitering
they could have been loitering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't loiter
you couldn't loiter
she couldn't loiter
we couldn't loiter
you couldn't loiter
they couldn't loiter 	I couldn't be loitering
you couldn't be loitering
she couldn't be loitering
we couldn't be loitering
you couldn't be loitering
they couldn't be loitering	I couldn't have loitered
you couldn't have loitered
she couldn't have loitered
we couldn't have loitered
you couldn't have loitered
they couldn't have loitered	I couldn't have been loitering
you couldn't have been loitering
she couldn't have been loitering
we couldn't have been loitering
you couldn't have been loitering
they couldn't have been loitering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I loiter?
could you loiter?
could she loiter?
could we loiter?
could you loiter?
could they loiter? 	could I be loitering?
could you be loitering?
could she be loitering?
could we be loitering?
could you be loitering?
could they be loitering? 	could I have loitered?
could you have loitered?
could she have loitered?
could we have loitered?
could you have loitered?
could they have loitered? 	could I have been loitering?
could you have been loitering?
could she have been loitering?
could we have been loitering?
could you have been loitering?
could they have been loitering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I loiter?
couldn't you loiter?
couldn't she loiter?
couldn't we loiter?
couldn't you loiter?
couldn't they loiter? 	couldn't I be loitering?
couldn't you be loitering?
couldn't she be loitering?
couldn't we be loitering?
couldn't you be loitering?
couldn't they be loitering? 	couldn't I have loitered?
couldn't you have loitered?
couldn't she have loitered?
couldn't we have loitered?
couldn't you have loitered?
couldn't they have loitered? 	couldn't I have been loitering?
couldn't you have been loitering?
couldn't she have been loitering?
couldn't we have been loitering?
couldn't you have been loitering?
couldn't they have been loitering?