English verb conjugation
COULD SKUNK

Regular verb: skunk - skunked - skunked

Affirmation

Simple form	V-ing form
I could skunk you could skunk he could skunk we could skunk you could skunk they could skunk	I could be skunking you could be skunking he could be skunking we could be skunking you could be skunking they could be skunking
Perfect	V-ing perfect
I could have skunked you could have skunked he could have skunked we could have skunked you could have skunked they could have skunked	I could have been skunking you could have been skunking he could have been skunking we could have been skunking you could have been skunking they could have been skunking

Negation

Simple form	V-ing form
I could not skunk you could not skunk he could not skunk we could not skunk you could not skunk they could not skunk	I could not be skunking you could not be skunking he could not be skunking we could not be skunking you could not be skunking they could not be skunking
Perfect	V-ing perfect
I could not have skunked you could not have skunked he could not have skunked we could not have skunked you could not have skunked they could not have skunked	I could not have been skunking you could not have been skunking he could not have been skunking we could not have been skunking you could not have been skunking they could not have been skunking

Interrogative form

Simple form	V-ing form
could I skunk? could you skunk? could he skunk? could we skunk? could you skunk? could they skunk?	could I be skunking? could you be skunking? could he be skunking? could we be skunking? could you be skunking? could they be skunking?
Perfect	V-ing perfect
could I have skunked? could you have skunked? could he have skunked? could we have skunked? could you have skunked? could they have skunked?	could I have been skunking? could you have been skunking? could he have been skunking? could we have been skunking? could you have been skunking? could they have been skunking?

Interro-negative form

Simple form	V-ing form
could I not skunk? could you not skunk? could he not skunk? could we not skunk? could you not skunk? could they not skunk?	could I not be skunking? could you not be skunking? could he not be skunking? could we not be skunking? could you not be skunking? could they not be skunking?
Perfect	V-ing perfect
could I not have skunked? could you not have skunked? could he not have skunked? could we not have skunked? could you not have skunked? could they not have skunked?	could I not have been skunking? could you not have been skunking? could he not have been skunking? could we not have been skunking? could you not have been skunking? could they not have been skunking?