I can groom you can groom he can groom we can groom you can groom they can groom
V-ing form
I can be grooming you can be grooming he can be grooming we can be grooming you can be grooming they can be grooming
Perfect
I can have groomed you can have groomed he can have groomed we can have groomed you can have groomed they can have groomed
V-ing perfect
I can have been grooming you can have been grooming he can have been grooming we can have been grooming you can have been grooming they can have been grooming
Negation
Simple form
I cannot groom you cannot groom he cannot groom we cannot groom you cannot groom they cannot groom
V-ing form
I cannot be grooming you cannot be grooming he cannot be grooming we cannot be grooming you cannot be grooming they cannot be grooming
Perfect
I cannot have groomed you cannot have groomed he cannot have groomed we cannot have groomed you cannot have groomed they cannot have groomed
V-ing perfect
I cannot have been grooming you cannot have been grooming he cannot have been grooming we cannot have been grooming you cannot have been grooming they cannot have been grooming
Interrogative form
Simple form
can I groom? can you groom? can he groom? can we groom? can you groom? can they groom?
V-ing form
can I be grooming? can you be grooming? can he be grooming? can we be grooming? can you be grooming? can they be grooming?
Perfect
can I have groomed? can you have groomed? can he have groomed? can we have groomed? can you have groomed? can they have groomed?
V-ing perfect
can I have been grooming? can you have been grooming? can he have been grooming? can we have been grooming? can you have been grooming? can they have been grooming?
Interro-negative form
Simple form
can I not groom? can you not groom? can he not groom? can we not groom? can you not groom? can they not groom?
V-ing form
can I not be grooming? can you not be grooming? can he not be grooming? can we not be grooming? can you not be grooming? can they not be grooming?
Perfect
can I not have groomed? can you not have groomed? can he not have groomed? can we not have groomed? can you not have groomed? can they not have groomed?
V-ing perfect
can I not have been grooming? can you not have been grooming? can he not have been grooming? can we not have been grooming? can you not have been grooming? can they not have been grooming?