could resurface
Verbo regular: resurface - resurfaced- resurfaced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could resurface
you could resurface
he could resurface
we could resurface
you could resurface
they could resurface 	I could be resurfacing
you could be resurfacing
he could be resurfacing
we could be resurfacing
you could be resurfacing
they could be resurfacing	I could have resurfaced
you could have resurfaced
he could have resurfaced
we could have resurfaced
you could have resurfaced
they could have resurfaced	I could have been resurfacing
you could have been resurfacing
he could have been resurfacing
we could have been resurfacing
you could have been resurfacing
they could have been resurfacing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't resurface
you couldn't resurface
he couldn't resurface
we couldn't resurface
you couldn't resurface
they couldn't resurface 	I couldn't be resurfacing
you couldn't be resurfacing
he couldn't be resurfacing
we couldn't be resurfacing
you couldn't be resurfacing
they couldn't be resurfacing	I couldn't have resurfaced
you couldn't have resurfaced
he couldn't have resurfaced
we couldn't have resurfaced
you couldn't have resurfaced
they couldn't have resurfaced	I couldn't have been resurfacing
you couldn't have been resurfacing
he couldn't have been resurfacing
we couldn't have been resurfacing
you couldn't have been resurfacing
they couldn't have been resurfacing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I resurface?
could you resurface?
could he resurface?
could we resurface?
could you resurface?
could they resurface? 	could I be resurfacing?
could you be resurfacing?
could he be resurfacing?
could we be resurfacing?
could you be resurfacing?
could they be resurfacing? 	could I have resurfaced?
could you have resurfaced?
could he have resurfaced?
could we have resurfaced?
could you have resurfaced?
could they have resurfaced? 	could I have been resurfacing?
could you have been resurfacing?
could he have been resurfacing?
could we have been resurfacing?
could you have been resurfacing?
could they have been resurfacing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I resurface?
couldn't you resurface?
couldn't he resurface?
couldn't we resurface?
couldn't you resurface?
couldn't they resurface? 	couldn't I be resurfacing?
couldn't you be resurfacing?
couldn't he be resurfacing?
couldn't we be resurfacing?
couldn't you be resurfacing?
couldn't they be resurfacing? 	couldn't I have resurfaced?
couldn't you have resurfaced?
couldn't he have resurfaced?
couldn't we have resurfaced?
couldn't you have resurfaced?
couldn't they have resurfaced? 	couldn't I have been resurfacing?
couldn't you have been resurfacing?
couldn't he have been resurfacing?
couldn't we have been resurfacing?
couldn't you have been resurfacing?
couldn't they have been resurfacing?