could plaster
Verbo regular: plaster - plastered- plastered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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?