could scuba
Verbe régulier : scuba - scubaed- scubaed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could scuba
you could scuba
he could scuba
we could scuba
you could scuba
they could scuba 	I could be scubaing
you could be scubaing
he could be scubaing
we could be scubaing
you could be scubaing
they could be scubaing	I could have scubaed
you could have scubaed
he could have scubaed
we could have scubaed
you could have scubaed
they could have scubaed	I could have been scubaing
you could have been scubaing
he could have been scubaing
we could have been scubaing
you could have been scubaing
they could have been scubaing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not scuba
you could not scuba
he could not scuba
we could not scuba
you could not scuba
they could not scuba 	I could not be scubaing
you could not be scubaing
he could not be scubaing
we could not be scubaing
you could not be scubaing
they could not be scubaing	I could not have scubaed
you could not have scubaed
he could not have scubaed
we could not have scubaed
you could not have scubaed
they could not have scubaed	I could not have been scubaing
you could not have been scubaing
he could not have been scubaing
we could not have been scubaing
you could not have been scubaing
they could not have been scubaing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I scuba?
could you scuba?
could he scuba?
could we scuba?
could you scuba?
could they scuba? 	could I be scubaing?
could you be scubaing?
could he be scubaing?
could we be scubaing?
could you be scubaing?
could they be scubaing? 	could I have scubaed?
could you have scubaed?
could he have scubaed?
could we have scubaed?
could you have scubaed?
could they have scubaed? 	could I have been scubaing?
could you have been scubaing?
could he have been scubaing?
could we have been scubaing?
could you have been scubaing?
could they have been scubaing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not scuba?
could you not scuba?
could he not scuba?
could we not scuba?
could you not scuba?
could they not scuba? 	could I not be scubaing?
could you not be scubaing?
could he not be scubaing?
could we not be scubaing?
could you not be scubaing?
could they not be scubaing? 	could I not have scubaed?
could you not have scubaed?
could he not have scubaed?
could we not have scubaed?
could you not have scubaed?
could they not have scubaed? 	could I not have been scubaing?
could you not have been scubaing?
could he not have been scubaing?
could we not have been scubaing?
could you not have been scubaing?
could they not have been scubaing?