could groom
Regular verb: groom - groomed- groomed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could groom
you could groom
she could groom
we could groom
you could groom
they could groom 	I could be grooming
you could be grooming
she could be grooming
we could be grooming
you could be grooming
they could be grooming	I could have groomed
you could have groomed
she could have groomed
we could have groomed
you could have groomed
they could have groomed	I could have been grooming
you could have been grooming
she could have been grooming
we could have been grooming
you could have been grooming
they could have been grooming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't groom
you couldn't groom
she couldn't groom
we couldn't groom
you couldn't groom
they couldn't groom 	I couldn't be grooming
you couldn't be grooming
she couldn't be grooming
we couldn't be grooming
you couldn't be grooming
they couldn't be grooming	I couldn't have groomed
you couldn't have groomed
she couldn't have groomed
we couldn't have groomed
you couldn't have groomed
they couldn't have groomed	I couldn't have been grooming
you couldn't have been grooming
she couldn't have been grooming
we couldn't have been grooming
you couldn't have been grooming
they couldn't have been grooming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I groom?
could you groom?
could she groom?
could we groom?
could you groom?
could they groom? 	could I be grooming?
could you be grooming?
could she be grooming?
could we be grooming?
could you be grooming?
could they be grooming? 	could I have groomed?
could you have groomed?
could she have groomed?
could we have groomed?
could you have groomed?
could they have groomed? 	could I have been grooming?
could you have been grooming?
could she have been grooming?
could we have been grooming?
could you have been grooming?
could they have been grooming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I groom?
couldn't you groom?
couldn't she groom?
couldn't we groom?
couldn't you groom?
couldn't they groom? 	couldn't I be grooming?
couldn't you be grooming?
couldn't she be grooming?
couldn't we be grooming?
couldn't you be grooming?
couldn't they be grooming? 	couldn't I have groomed?
couldn't you have groomed?
couldn't she have groomed?
couldn't we have groomed?
couldn't you have groomed?
couldn't they have groomed? 	couldn't I have been grooming?
couldn't you have been grooming?
couldn't she have been grooming?
couldn't we have been grooming?
couldn't you have been grooming?
couldn't they have been grooming?