could suntan
Verbe régulier : suntan - suntaned- suntaned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could suntan
you could suntan
she could suntan
we could suntan
you could suntan
they could suntan 	I could be suntaning
you could be suntaning
she could be suntaning
we could be suntaning
you could be suntaning
they could be suntaning	I could have suntaned
you could have suntaned
she could have suntaned
we could have suntaned
you could have suntaned
they could have suntaned	I could have been suntaning
you could have been suntaning
she could have been suntaning
we could have been suntaning
you could have been suntaning
they could have been suntaning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't suntan
you couldn't suntan
she couldn't suntan
we couldn't suntan
you couldn't suntan
they couldn't suntan 	I couldn't be suntaning
you couldn't be suntaning
she couldn't be suntaning
we couldn't be suntaning
you couldn't be suntaning
they couldn't be suntaning	I couldn't have suntaned
you couldn't have suntaned
she couldn't have suntaned
we couldn't have suntaned
you couldn't have suntaned
they couldn't have suntaned	I couldn't have been suntaning
you couldn't have been suntaning
she couldn't have been suntaning
we couldn't have been suntaning
you couldn't have been suntaning
they couldn't have been suntaning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I suntan?
could you suntan?
could she suntan?
could we suntan?
could you suntan?
could they suntan? 	could I be suntaning?
could you be suntaning?
could she be suntaning?
could we be suntaning?
could you be suntaning?
could they be suntaning? 	could I have suntaned?
could you have suntaned?
could she have suntaned?
could we have suntaned?
could you have suntaned?
could they have suntaned? 	could I have been suntaning?
could you have been suntaning?
could she have been suntaning?
could we have been suntaning?
could you have been suntaning?
could they have been suntaning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I suntan?
couldn't you suntan?
couldn't she suntan?
couldn't we suntan?
couldn't you suntan?
couldn't they suntan? 	couldn't I be suntaning?
couldn't you be suntaning?
couldn't she be suntaning?
couldn't we be suntaning?
couldn't you be suntaning?
couldn't they be suntaning? 	couldn't I have suntaned?
couldn't you have suntaned?
couldn't she have suntaned?
couldn't we have suntaned?
couldn't you have suntaned?
couldn't they have suntaned? 	couldn't I have been suntaning?
couldn't you have been suntaning?
couldn't she have been suntaning?
couldn't we have been suntaning?
couldn't you have been suntaning?
couldn't they have been suntaning?