English verb conjugation
COULD SILK-SCREEN

Regular verb: silk-screen - silk-screened - silk-screened

Affirmation

Simple form	V-ing form
I could silk-screen you could silk-screen he could silk-screen we could silk-screen you could silk-screen they could silk-screen	I could be silk-screening you could be silk-screening he could be silk-screening we could be silk-screening you could be silk-screening they could be silk-screening
Perfect	V-ing perfect
I could have silk-screened you could have silk-screened he could have silk-screened we could have silk-screened you could have silk-screened they could have silk-screened	I could have been silk-screening you could have been silk-screening he could have been silk-screening we could have been silk-screening you could have been silk-screening they could have been silk-screening

Negation

Simple form	V-ing form
I could not silk-screen you could not silk-screen he could not silk-screen we could not silk-screen you could not silk-screen they could not silk-screen	I could not be silk-screening you could not be silk-screening he could not be silk-screening we could not be silk-screening you could not be silk-screening they could not be silk-screening
Perfect	V-ing perfect
I could not have silk-screened you could not have silk-screened he could not have silk-screened we could not have silk-screened you could not have silk-screened they could not have silk-screened	I could not have been silk-screening you could not have been silk-screening he could not have been silk-screening we could not have been silk-screening you could not have been silk-screening they could not have been silk-screening

Interrogative form

Simple form	V-ing form
could I silk-screen? could you silk-screen? could he silk-screen? could we silk-screen? could you silk-screen? could they silk-screen?	could I be silk-screening? could you be silk-screening? could he be silk-screening? could we be silk-screening? could you be silk-screening? could they be silk-screening?
Perfect	V-ing perfect
could I have silk-screened? could you have silk-screened? could he have silk-screened? could we have silk-screened? could you have silk-screened? could they have silk-screened?	could I have been silk-screening? could you have been silk-screening? could he have been silk-screening? could we have been silk-screening? could you have been silk-screening? could they have been silk-screening?

Interro-negative form

Simple form	V-ing form
could I not silk-screen? could you not silk-screen? could he not silk-screen? could we not silk-screen? could you not silk-screen? could they not silk-screen?	could I not be silk-screening? could you not be silk-screening? could he not be silk-screening? could we not be silk-screening? could you not be silk-screening? could they not be silk-screening?
Perfect	V-ing perfect
could I not have silk-screened? could you not have silk-screened? could he not have silk-screened? could we not have silk-screened? could you not have silk-screened? could they not have silk-screened?	could I not have been silk-screening? could you not have been silk-screening? could he not have been silk-screening? could we not have been silk-screening? could you not have been silk-screening? could they not have been silk-screening?