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

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't swan-dive
you couldn't swan-dive
he couldn't swan-dive
we couldn't swan-dive
you couldn't swan-dive
they couldn't swan-dive 	I couldn't be swan-diving
you couldn't be swan-diving
he couldn't be swan-diving
we couldn't be swan-diving
you couldn't be swan-diving
they couldn't be swan-diving	I couldn't have swan-dived
you couldn't have swan-dived
he couldn't have swan-dived
we couldn't have swan-dived
you couldn't have swan-dived
they couldn't have swan-dived	I couldn't have been swan-diving
you couldn't have been swan-diving
he couldn't have been swan-diving
we couldn't have been swan-diving
you couldn't have been swan-diving
they couldn't have been swan-diving	

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

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I swan-dive?
couldn't you swan-dive?
couldn't he swan-dive?
couldn't we swan-dive?
couldn't you swan-dive?
couldn't they swan-dive? 	couldn't I be swan-diving?
couldn't you be swan-diving?
couldn't he be swan-diving?
couldn't we be swan-diving?
couldn't you be swan-diving?
couldn't they be swan-diving? 	couldn't I have swan-dived?
couldn't you have swan-dived?
couldn't he have swan-dived?
couldn't we have swan-dived?
couldn't you have swan-dived?
couldn't they have swan-dived? 	couldn't I have been swan-diving?
couldn't you have been swan-diving?
couldn't he have been swan-diving?
couldn't we have been swan-diving?
couldn't you have been swan-diving?
couldn't they have been swan-diving?