could scuba-dive
Verbe irrégulier : scuba-dive - scuba-dived, scuba-dove- scuba-dived

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could scuba-dive
you could scuba-dive
he could scuba-dive
we could scuba-dive
you could scuba-dive
they could scuba-dive 	I could be scuba-diving
you could be scuba-diving
he could be scuba-diving
we could be scuba-diving
you could be scuba-diving
they could be scuba-diving	I could have scuba-dived
you could have scuba-dived
he could have scuba-dived
we could have scuba-dived
you could have scuba-dived
they could have scuba-dived	I could have been scuba-diving
you could have been scuba-diving
he could have been scuba-diving
we could have been scuba-diving
you could have been scuba-diving
they could have been scuba-diving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't scuba-dive
you couldn't scuba-dive
he couldn't scuba-dive
we couldn't scuba-dive
you couldn't scuba-dive
they couldn't scuba-dive 	I couldn't be scuba-diving
you couldn't be scuba-diving
he couldn't be scuba-diving
we couldn't be scuba-diving
you couldn't be scuba-diving
they couldn't be scuba-diving	I couldn't have scuba-dived
you couldn't have scuba-dived
he couldn't have scuba-dived
we couldn't have scuba-dived
you couldn't have scuba-dived
they couldn't have scuba-dived	I couldn't have been scuba-diving
you couldn't have been scuba-diving
he couldn't have been scuba-diving
we couldn't have been scuba-diving
you couldn't have been scuba-diving
they couldn't have been scuba-diving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I scuba-dive?
could you scuba-dive?
could he scuba-dive?
could we scuba-dive?
could you scuba-dive?
could they scuba-dive? 	could I be scuba-diving?
could you be scuba-diving?
could he be scuba-diving?
could we be scuba-diving?
could you be scuba-diving?
could they be scuba-diving? 	could I have scuba-dived?
could you have scuba-dived?
could he have scuba-dived?
could we have scuba-dived?
could you have scuba-dived?
could they have scuba-dived? 	could I have been scuba-diving?
could you have been scuba-diving?
could he have been scuba-diving?
could we have been scuba-diving?
could you have been scuba-diving?
could they have been scuba-diving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I scuba-dive?
couldn't you scuba-dive?
couldn't he scuba-dive?
couldn't we scuba-dive?
couldn't you scuba-dive?
couldn't they scuba-dive? 	couldn't I be scuba-diving?
couldn't you be scuba-diving?
couldn't he be scuba-diving?
couldn't we be scuba-diving?
couldn't you be scuba-diving?
couldn't they be scuba-diving? 	couldn't I have scuba-dived?
couldn't you have scuba-dived?
couldn't he have scuba-dived?
couldn't we have scuba-dived?
couldn't you have scuba-dived?
couldn't they have scuba-dived? 	couldn't I have been scuba-diving?
couldn't you have been scuba-diving?
couldn't he have been scuba-diving?
couldn't we have been scuba-diving?
couldn't you have been scuba-diving?
couldn't they have been scuba-diving?