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 couldn't silk-screen you couldn't silk-screen he couldn't silk-screen we couldn't silk-screen you couldn't silk-screen they couldn't silk-screen	I couldn't be silk-screening you couldn't be silk-screening he couldn't be silk-screening we couldn't be silk-screening you couldn't be silk-screening they couldn't be silk-screening
Perfect	V-ing perfect
I couldn't have silk-screened you couldn't have silk-screened he couldn't have silk-screened we couldn't have silk-screened you couldn't have silk-screened they couldn't have silk-screened	I couldn't have been silk-screening you couldn't have been silk-screening he couldn't have been silk-screening we couldn't have been silk-screening you couldn't have been silk-screening they couldn't 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
couldn't I silk-screen? couldn't you silk-screen? couldn't he silk-screen? couldn't we silk-screen? couldn't you silk-screen? couldn't they silk-screen?	couldn't I be silk-screening? couldn't you be silk-screening? couldn't he be silk-screening? couldn't we be silk-screening? couldn't you be silk-screening? couldn't they be silk-screening?
Perfect	V-ing perfect
couldn't I have silk-screened? couldn't you have silk-screened? couldn't he have silk-screened? couldn't we have silk-screened? couldn't you have silk-screened? couldn't they have silk-screened?	couldn't I have been silk-screening? couldn't you have been silk-screening? couldn't he have been silk-screening? couldn't we have been silk-screening? couldn't you have been silk-screening? couldn't they have been silk-screening?