English verb conjugation
COULD PLASTER

Regular verb: plaster - plastered - plastered

Affirmation

Simple form	V-ing form
I could plaster you could plaster he could plaster we could plaster you could plaster they could plaster	I could be plastering you could be plastering he could be plastering we could be plastering you could be plastering they could be plastering
Perfect	V-ing perfect
I could have plastered you could have plastered he could have plastered we could have plastered you could have plastered they could have plastered	I could have been plastering you could have been plastering he could have been plastering we could have been plastering you could have been plastering they could have been plastering

Negation

Simple form	V-ing form
I could not plaster you could not plaster he could not plaster we could not plaster you could not plaster they could not plaster	I could not be plastering you could not be plastering he could not be plastering we could not be plastering you could not be plastering they could not be plastering
Perfect	V-ing perfect
I could not have plastered you could not have plastered he could not have plastered we could not have plastered you could not have plastered they could not have plastered	I could not have been plastering you could not have been plastering he could not have been plastering we could not have been plastering you could not have been plastering they could not have been plastering

Interrogative form

Simple form	V-ing form
could I plaster? could you plaster? could he plaster? could we plaster? could you plaster? could they plaster?	could I be plastering? could you be plastering? could he be plastering? could we be plastering? could you be plastering? could they be plastering?
Perfect	V-ing perfect
could I have plastered? could you have plastered? could he have plastered? could we have plastered? could you have plastered? could they have plastered?	could I have been plastering? could you have been plastering? could he have been plastering? could we have been plastering? could you have been plastering? could they have been plastering?

Interro-negative form

Simple form	V-ing form
could I not plaster? could you not plaster? could he not plaster? could we not plaster? could you not plaster? could they not plaster?	could I not be plastering? could you not be plastering? could he not be plastering? could we not be plastering? could you not be plastering? could they not be plastering?
Perfect	V-ing perfect
could I not have plastered? could you not have plastered? could he not have plastered? could we not have plastered? could you not have plastered? could they not have plastered?	could I not have been plastering? could you not have been plastering? could he not have been plastering? could we not have been plastering? could you not have been plastering? could they not have been plastering?