could scud
Verbo regular: scud - scudded- scudded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could scud
you could scud
he could scud
we could scud
you could scud
they could scud 	I could be scudding
you could be scudding
he could be scudding
we could be scudding
you could be scudding
they could be scudding	I could have scudded
you could have scudded
he could have scudded
we could have scudded
you could have scudded
they could have scudded	I could have been scudding
you could have been scudding
he could have been scudding
we could have been scudding
you could have been scudding
they could have been scudding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not scud
you could not scud
he could not scud
we could not scud
you could not scud
they could not scud 	I could not be scudding
you could not be scudding
he could not be scudding
we could not be scudding
you could not be scudding
they could not be scudding	I could not have scudded
you could not have scudded
he could not have scudded
we could not have scudded
you could not have scudded
they could not have scudded	I could not have been scudding
you could not have been scudding
he could not have been scudding
we could not have been scudding
you could not have been scudding
they could not have been scudding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I scud?
could you scud?
could he scud?
could we scud?
could you scud?
could they scud? 	could I be scudding?
could you be scudding?
could he be scudding?
could we be scudding?
could you be scudding?
could they be scudding? 	could I have scudded?
could you have scudded?
could he have scudded?
could we have scudded?
could you have scudded?
could they have scudded? 	could I have been scudding?
could you have been scudding?
could he have been scudding?
could we have been scudding?
could you have been scudding?
could they have been scudding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not scud?
could you not scud?
could he not scud?
could we not scud?
could you not scud?
could they not scud? 	could I not be scudding?
could you not be scudding?
could he not be scudding?
could we not be scudding?
could you not be scudding?
could they not be scudding? 	could I not have scudded?
could you not have scudded?
could he not have scudded?
could we not have scudded?
could you not have scudded?
could they not have scudded? 	could I not have been scudding?
could you not have been scudding?
could he not have been scudding?
could we not have been scudding?
could you not have been scudding?
could they not have been scudding?