could skin-dive
Verbo irregular: skin-dive - skin-dived, skin-dove- skin-dived

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could skin-dive
you could skin-dive
he could skin-dive
we could skin-dive
you could skin-dive
they could skin-dive 	I could be skin-diving
you could be skin-diving
he could be skin-diving
we could be skin-diving
you could be skin-diving
they could be skin-diving	I could have skin-dived
you could have skin-dived
he could have skin-dived
we could have skin-dived
you could have skin-dived
they could have skin-dived	I could have been skin-diving
you could have been skin-diving
he could have been skin-diving
we could have been skin-diving
you could have been skin-diving
they could have been skin-diving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not skin-dive
you could not skin-dive
he could not skin-dive
we could not skin-dive
you could not skin-dive
they could not skin-dive 	I could not be skin-diving
you could not be skin-diving
he could not be skin-diving
we could not be skin-diving
you could not be skin-diving
they could not be skin-diving	I could not have skin-dived
you could not have skin-dived
he could not have skin-dived
we could not have skin-dived
you could not have skin-dived
they could not have skin-dived	I could not have been skin-diving
you could not have been skin-diving
he could not have been skin-diving
we could not have been skin-diving
you could not have been skin-diving
they could not have been skin-diving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I skin-dive?
could you skin-dive?
could he skin-dive?
could we skin-dive?
could you skin-dive?
could they skin-dive? 	could I be skin-diving?
could you be skin-diving?
could he be skin-diving?
could we be skin-diving?
could you be skin-diving?
could they be skin-diving? 	could I have skin-dived?
could you have skin-dived?
could he have skin-dived?
could we have skin-dived?
could you have skin-dived?
could they have skin-dived? 	could I have been skin-diving?
could you have been skin-diving?
could he have been skin-diving?
could we have been skin-diving?
could you have been skin-diving?
could they have been skin-diving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not skin-dive?
could you not skin-dive?
could he not skin-dive?
could we not skin-dive?
could you not skin-dive?
could they not skin-dive? 	could I not be skin-diving?
could you not be skin-diving?
could he not be skin-diving?
could we not be skin-diving?
could you not be skin-diving?
could they not be skin-diving? 	could I not have skin-dived?
could you not have skin-dived?
could he not have skin-dived?
could we not have skin-dived?
could you not have skin-dived?
could they not have skin-dived? 	could I not have been skin-diving?
could you not have been skin-diving?
could he not have been skin-diving?
could we not have been skin-diving?
could you not have been skin-diving?
could they not have been skin-diving?