could patter
Verbo regular: patter - pattered- pattered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could patter
you could patter
he could patter
we could patter
you could patter
they could patter 	I could be pattering
you could be pattering
he could be pattering
we could be pattering
you could be pattering
they could be pattering	I could have pattered
you could have pattered
he could have pattered
we could have pattered
you could have pattered
they could have pattered	I could have been pattering
you could have been pattering
he could have been pattering
we could have been pattering
you could have been pattering
they could have been pattering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't patter
you couldn't patter
he couldn't patter
we couldn't patter
you couldn't patter
they couldn't patter 	I couldn't be pattering
you couldn't be pattering
he couldn't be pattering
we couldn't be pattering
you couldn't be pattering
they couldn't be pattering	I couldn't have pattered
you couldn't have pattered
he couldn't have pattered
we couldn't have pattered
you couldn't have pattered
they couldn't have pattered	I couldn't have been pattering
you couldn't have been pattering
he couldn't have been pattering
we couldn't have been pattering
you couldn't have been pattering
they couldn't have been pattering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I patter?
could you patter?
could he patter?
could we patter?
could you patter?
could they patter? 	could I be pattering?
could you be pattering?
could he be pattering?
could we be pattering?
could you be pattering?
could they be pattering? 	could I have pattered?
could you have pattered?
could he have pattered?
could we have pattered?
could you have pattered?
could they have pattered? 	could I have been pattering?
could you have been pattering?
could he have been pattering?
could we have been pattering?
could you have been pattering?
could they have been pattering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I patter?
couldn't you patter?
couldn't he patter?
couldn't we patter?
couldn't you patter?
couldn't they patter? 	couldn't I be pattering?
couldn't you be pattering?
couldn't he be pattering?
couldn't we be pattering?
couldn't you be pattering?
couldn't they be pattering? 	couldn't I have pattered?
couldn't you have pattered?
couldn't he have pattered?
couldn't we have pattered?
couldn't you have pattered?
couldn't they have pattered? 	couldn't I have been pattering?
couldn't you have been pattering?
couldn't he have been pattering?
couldn't we have been pattering?
couldn't you have been pattering?
couldn't they have been pattering?