English verb conjugation
COULD GROOM

Regular verb: groom - groomed - groomed

Affirmation

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