English verb conjugation
COULD KILN

Regular verb: kiln - kilned - kilned

Affirmation

Simple form	V-ing form
I could kiln you could kiln he could kiln we could kiln you could kiln they could kiln	I could be kilning you could be kilning he could be kilning we could be kilning you could be kilning they could be kilning
Perfect	V-ing perfect
I could have kilned you could have kilned he could have kilned we could have kilned you could have kilned they could have kilned	I could have been kilning you could have been kilning he could have been kilning we could have been kilning you could have been kilning they could have been kilning

Negation

Simple form	V-ing form
I couldn't kiln you couldn't kiln he couldn't kiln we couldn't kiln you couldn't kiln they couldn't kiln	I couldn't be kilning you couldn't be kilning he couldn't be kilning we couldn't be kilning you couldn't be kilning they couldn't be kilning
Perfect	V-ing perfect
I couldn't have kilned you couldn't have kilned he couldn't have kilned we couldn't have kilned you couldn't have kilned they couldn't have kilned	I couldn't have been kilning you couldn't have been kilning he couldn't have been kilning we couldn't have been kilning you couldn't have been kilning they couldn't have been kilning

Interrogative form

Simple form	V-ing form
could I kiln? could you kiln? could he kiln? could we kiln? could you kiln? could they kiln?	could I be kilning? could you be kilning? could he be kilning? could we be kilning? could you be kilning? could they be kilning?
Perfect	V-ing perfect
could I have kilned? could you have kilned? could he have kilned? could we have kilned? could you have kilned? could they have kilned?	could I have been kilning? could you have been kilning? could he have been kilning? could we have been kilning? could you have been kilning? could they have been kilning?

Interro-negative form

Simple form	V-ing form
couldn't I kiln? couldn't you kiln? couldn't he kiln? couldn't we kiln? couldn't you kiln? couldn't they kiln?	couldn't I be kilning? couldn't you be kilning? couldn't he be kilning? couldn't we be kilning? couldn't you be kilning? couldn't they be kilning?
Perfect	V-ing perfect
couldn't I have kilned? couldn't you have kilned? couldn't he have kilned? couldn't we have kilned? couldn't you have kilned? couldn't they have kilned?	couldn't I have been kilning? couldn't you have been kilning? couldn't he have been kilning? couldn't we have been kilning? couldn't you have been kilning? couldn't they have been kilning?