English verb conjugation
COULD SKIN

Regular verb: skin - skinned - skinned

Affirmation

Simple form	V-ing form
I could skin you could skin she could skin we could skin you could skin they could skin	I could be skinning you could be skinning she could be skinning we could be skinning you could be skinning they could be skinning
Perfect	V-ing perfect
I could have skinned you could have skinned she could have skinned we could have skinned you could have skinned they could have skinned	I could have been skinning you could have been skinning she could have been skinning we could have been skinning you could have been skinning they could have been skinning

Negation

Simple form	V-ing form
I could not skin you could not skin she could not skin we could not skin you could not skin they could not skin	I could not be skinning you could not be skinning she could not be skinning we could not be skinning you could not be skinning they could not be skinning
Perfect	V-ing perfect
I could not have skinned you could not have skinned she could not have skinned we could not have skinned you could not have skinned they could not have skinned	I could not have been skinning you could not have been skinning she could not have been skinning we could not have been skinning you could not have been skinning they could not have been skinning

Interrogative form

Simple form	V-ing form
could I skin? could you skin? could she skin? could we skin? could you skin? could they skin?	could I be skinning? could you be skinning? could she be skinning? could we be skinning? could you be skinning? could they be skinning?
Perfect	V-ing perfect
could I have skinned? could you have skinned? could she have skinned? could we have skinned? could you have skinned? could they have skinned?	could I have been skinning? could you have been skinning? could she have been skinning? could we have been skinning? could you have been skinning? could they have been skinning?

Interro-negative form

Simple form	V-ing form
could I not skin? could you not skin? could she not skin? could we not skin? could you not skin? could they not skin?	could I not be skinning? could you not be skinning? could she not be skinning? could we not be skinning? could you not be skinning? could they not be skinning?
Perfect	V-ing perfect
could I not have skinned? could you not have skinned? could she not have skinned? could we not have skinned? could you not have skinned? could they not have skinned?	could I not have been skinning? could you not have been skinning? could she not have been skinning? could we not have been skinning? could you not have been skinning? could they not have been skinning?