could scrummage
Regular verb: scrummage - scrummaged- scrummaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could scrummage
you could scrummage
she could scrummage
we could scrummage
you could scrummage
they could scrummage 	I could be scrummaging
you could be scrummaging
she could be scrummaging
we could be scrummaging
you could be scrummaging
they could be scrummaging	I could have scrummaged
you could have scrummaged
she could have scrummaged
we could have scrummaged
you could have scrummaged
they could have scrummaged	I could have been scrummaging
you could have been scrummaging
she could have been scrummaging
we could have been scrummaging
you could have been scrummaging
they could have been scrummaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't scrummage
you couldn't scrummage
she couldn't scrummage
we couldn't scrummage
you couldn't scrummage
they couldn't scrummage 	I couldn't be scrummaging
you couldn't be scrummaging
she couldn't be scrummaging
we couldn't be scrummaging
you couldn't be scrummaging
they couldn't be scrummaging	I couldn't have scrummaged
you couldn't have scrummaged
she couldn't have scrummaged
we couldn't have scrummaged
you couldn't have scrummaged
they couldn't have scrummaged	I couldn't have been scrummaging
you couldn't have been scrummaging
she couldn't have been scrummaging
we couldn't have been scrummaging
you couldn't have been scrummaging
they couldn't have been scrummaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I scrummage?
could you scrummage?
could she scrummage?
could we scrummage?
could you scrummage?
could they scrummage? 	could I be scrummaging?
could you be scrummaging?
could she be scrummaging?
could we be scrummaging?
could you be scrummaging?
could they be scrummaging? 	could I have scrummaged?
could you have scrummaged?
could she have scrummaged?
could we have scrummaged?
could you have scrummaged?
could they have scrummaged? 	could I have been scrummaging?
could you have been scrummaging?
could she have been scrummaging?
could we have been scrummaging?
could you have been scrummaging?
could they have been scrummaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I scrummage?
couldn't you scrummage?
couldn't she scrummage?
couldn't we scrummage?
couldn't you scrummage?
couldn't they scrummage? 	couldn't I be scrummaging?
couldn't you be scrummaging?
couldn't she be scrummaging?
couldn't we be scrummaging?
couldn't you be scrummaging?
couldn't they be scrummaging? 	couldn't I have scrummaged?
couldn't you have scrummaged?
couldn't she have scrummaged?
couldn't we have scrummaged?
couldn't you have scrummaged?
couldn't they have scrummaged? 	couldn't I have been scrummaging?
couldn't you have been scrummaging?
couldn't she have been scrummaging?
couldn't we have been scrummaging?
couldn't you have been scrummaging?
couldn't they have been scrummaging?