could scam
Verbe régulier : scam - scammed- scammed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could scam
you could scam
she could scam
we could scam
you could scam
they could scam 	I could be scamming
you could be scamming
she could be scamming
we could be scamming
you could be scamming
they could be scamming	I could have scammed
you could have scammed
she could have scammed
we could have scammed
you could have scammed
they could have scammed	I could have been scamming
you could have been scamming
she could have been scamming
we could have been scamming
you could have been scamming
they could have been scamming	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't scam
you couldn't scam
she couldn't scam
we couldn't scam
you couldn't scam
they couldn't scam 	I couldn't be scamming
you couldn't be scamming
she couldn't be scamming
we couldn't be scamming
you couldn't be scamming
they couldn't be scamming	I couldn't have scammed
you couldn't have scammed
she couldn't have scammed
we couldn't have scammed
you couldn't have scammed
they couldn't have scammed	I couldn't have been scamming
you couldn't have been scamming
she couldn't have been scamming
we couldn't have been scamming
you couldn't have been scamming
they couldn't have been scamming	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I scam?
could you scam?
could she scam?
could we scam?
could you scam?
could they scam? 	could I be scamming?
could you be scamming?
could she be scamming?
could we be scamming?
could you be scamming?
could they be scamming? 	could I have scammed?
could you have scammed?
could she have scammed?
could we have scammed?
could you have scammed?
could they have scammed? 	could I have been scamming?
could you have been scamming?
could she have been scamming?
could we have been scamming?
could you have been scamming?
could they have been scamming? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I scam?
couldn't you scam?
couldn't she scam?
couldn't we scam?
couldn't you scam?
couldn't they scam? 	couldn't I be scamming?
couldn't you be scamming?
couldn't she be scamming?
couldn't we be scamming?
couldn't you be scamming?
couldn't they be scamming? 	couldn't I have scammed?
couldn't you have scammed?
couldn't she have scammed?
couldn't we have scammed?
couldn't you have scammed?
couldn't they have scammed? 	couldn't I have been scamming?
couldn't you have been scamming?
couldn't she have been scamming?
couldn't we have been scamming?
couldn't you have been scamming?
couldn't they have been scamming?