could sunburn
Verbe régulier : sunburn - sunburned- sunburned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could sunburn
you could sunburn
she could sunburn
we could sunburn
you could sunburn
they could sunburn 	I could be sunburning
you could be sunburning
she could be sunburning
we could be sunburning
you could be sunburning
they could be sunburning	I could have sunburned
you could have sunburned
she could have sunburned
we could have sunburned
you could have sunburned
they could have sunburned	I could have been sunburning
you could have been sunburning
she could have been sunburning
we could have been sunburning
you could have been sunburning
they could have been sunburning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't sunburn
you couldn't sunburn
she couldn't sunburn
we couldn't sunburn
you couldn't sunburn
they couldn't sunburn 	I couldn't be sunburning
you couldn't be sunburning
she couldn't be sunburning
we couldn't be sunburning
you couldn't be sunburning
they couldn't be sunburning	I couldn't have sunburned
you couldn't have sunburned
she couldn't have sunburned
we couldn't have sunburned
you couldn't have sunburned
they couldn't have sunburned	I couldn't have been sunburning
you couldn't have been sunburning
she couldn't have been sunburning
we couldn't have been sunburning
you couldn't have been sunburning
they couldn't have been sunburning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I sunburn?
could you sunburn?
could she sunburn?
could we sunburn?
could you sunburn?
could they sunburn? 	could I be sunburning?
could you be sunburning?
could she be sunburning?
could we be sunburning?
could you be sunburning?
could they be sunburning? 	could I have sunburned?
could you have sunburned?
could she have sunburned?
could we have sunburned?
could you have sunburned?
could they have sunburned? 	could I have been sunburning?
could you have been sunburning?
could she have been sunburning?
could we have been sunburning?
could you have been sunburning?
could they have been sunburning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I sunburn?
couldn't you sunburn?
couldn't she sunburn?
couldn't we sunburn?
couldn't you sunburn?
couldn't they sunburn? 	couldn't I be sunburning?
couldn't you be sunburning?
couldn't she be sunburning?
couldn't we be sunburning?
couldn't you be sunburning?
couldn't they be sunburning? 	couldn't I have sunburned?
couldn't you have sunburned?
couldn't she have sunburned?
couldn't we have sunburned?
couldn't you have sunburned?
couldn't they have sunburned? 	couldn't I have been sunburning?
couldn't you have been sunburning?
couldn't she have been sunburning?
couldn't we have been sunburning?
couldn't you have been sunburning?
couldn't they have been sunburning?