could devocalise
Verbo regular: devocalise - devocalised- devocalised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could devocalise
you could devocalise
she could devocalise
we could devocalise
you could devocalise
they could devocalise 	I could be devocalising
you could be devocalising
she could be devocalising
we could be devocalising
you could be devocalising
they could be devocalising	I could have devocalised
you could have devocalised
she could have devocalised
we could have devocalised
you could have devocalised
they could have devocalised	I could have been devocalising
you could have been devocalising
she could have been devocalising
we could have been devocalising
you could have been devocalising
they could have been devocalising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not devocalise
you could not devocalise
she could not devocalise
we could not devocalise
you could not devocalise
they could not devocalise 	I could not be devocalising
you could not be devocalising
she could not be devocalising
we could not be devocalising
you could not be devocalising
they could not be devocalising	I could not have devocalised
you could not have devocalised
she could not have devocalised
we could not have devocalised
you could not have devocalised
they could not have devocalised	I could not have been devocalising
you could not have been devocalising
she could not have been devocalising
we could not have been devocalising
you could not have been devocalising
they could not have been devocalising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I devocalise?
could you devocalise?
could she devocalise?
could we devocalise?
could you devocalise?
could they devocalise? 	could I be devocalising?
could you be devocalising?
could she be devocalising?
could we be devocalising?
could you be devocalising?
could they be devocalising? 	could I have devocalised?
could you have devocalised?
could she have devocalised?
could we have devocalised?
could you have devocalised?
could they have devocalised? 	could I have been devocalising?
could you have been devocalising?
could she have been devocalising?
could we have been devocalising?
could you have been devocalising?
could they have been devocalising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not devocalise?
could you not devocalise?
could she not devocalise?
could we not devocalise?
could you not devocalise?
could they not devocalise? 	could I not be devocalising?
could you not be devocalising?
could she not be devocalising?
could we not be devocalising?
could you not be devocalising?
could they not be devocalising? 	could I not have devocalised?
could you not have devocalised?
could she not have devocalised?
could we not have devocalised?
could you not have devocalised?
could they not have devocalised? 	could I not have been devocalising?
could you not have been devocalising?
could she not have been devocalising?
could we not have been devocalising?
could you not have been devocalising?
could they not have been devocalising?