English verb conjugation
COULD POCKMARK

Regular verb: pockmark - pockmarked - pockmarked

Affirmation

Simple form	V-ing form
I could pockmark you could pockmark he could pockmark we could pockmark you could pockmark they could pockmark	I could be pockmarking you could be pockmarking he could be pockmarking we could be pockmarking you could be pockmarking they could be pockmarking
Perfect	V-ing perfect
I could have pockmarked you could have pockmarked he could have pockmarked we could have pockmarked you could have pockmarked they could have pockmarked	I could have been pockmarking you could have been pockmarking he could have been pockmarking we could have been pockmarking you could have been pockmarking they could have been pockmarking

Negation

Simple form	V-ing form
I couldn't pockmark you couldn't pockmark he couldn't pockmark we couldn't pockmark you couldn't pockmark they couldn't pockmark	I couldn't be pockmarking you couldn't be pockmarking he couldn't be pockmarking we couldn't be pockmarking you couldn't be pockmarking they couldn't be pockmarking
Perfect	V-ing perfect
I couldn't have pockmarked you couldn't have pockmarked he couldn't have pockmarked we couldn't have pockmarked you couldn't have pockmarked they couldn't have pockmarked	I couldn't have been pockmarking you couldn't have been pockmarking he couldn't have been pockmarking we couldn't have been pockmarking you couldn't have been pockmarking they couldn't have been pockmarking

Interrogative form

Simple form	V-ing form
could I pockmark? could you pockmark? could he pockmark? could we pockmark? could you pockmark? could they pockmark?	could I be pockmarking? could you be pockmarking? could he be pockmarking? could we be pockmarking? could you be pockmarking? could they be pockmarking?
Perfect	V-ing perfect
could I have pockmarked? could you have pockmarked? could he have pockmarked? could we have pockmarked? could you have pockmarked? could they have pockmarked?	could I have been pockmarking? could you have been pockmarking? could he have been pockmarking? could we have been pockmarking? could you have been pockmarking? could they have been pockmarking?

Interro-negative form

Simple form	V-ing form
couldn't I pockmark? couldn't you pockmark? couldn't he pockmark? couldn't we pockmark? couldn't you pockmark? couldn't they pockmark?	couldn't I be pockmarking? couldn't you be pockmarking? couldn't he be pockmarking? couldn't we be pockmarking? couldn't you be pockmarking? couldn't they be pockmarking?
Perfect	V-ing perfect
couldn't I have pockmarked? couldn't you have pockmarked? couldn't he have pockmarked? couldn't we have pockmarked? couldn't you have pockmarked? couldn't they have pockmarked?	couldn't I have been pockmarking? couldn't you have been pockmarking? couldn't he have been pockmarking? couldn't we have been pockmarking? couldn't you have been pockmarking? couldn't they have been pockmarking?