can sour
Verbe régulier : sour - soured- soured
Traduction française : surir - aigrir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can sour
you can sour
he can sour
we can sour
you can sour
they can sour 	I can be souring
you can be souring
he can be souring
we can be souring
you can be souring
they can be souring	I can have soured
you can have soured
he can have soured
we can have soured
you can have soured
they can have soured	I can have been souring
you can have been souring
he can have been souring
we can have been souring
you can have been souring
they can have been souring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't sour
you can't sour
he can't sour
we can't sour
you can't sour
they can't sour 	I can't be souring
you can't be souring
he can't be souring
we can't be souring
you can't be souring
they can't be souring	I can't have soured
you can't have soured
he can't have soured
we can't have soured
you can't have soured
they can't have soured	I can't have been souring
you can't have been souring
he can't have been souring
we can't have been souring
you can't have been souring
they can't have been souring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I sour?
can you sour?
can he sour?
can we sour?
can you sour?
can they sour? 	can I be souring?
can you be souring?
can he be souring?
can we be souring?
can you be souring?
can they be souring? 	can I have soured?
can you have soured?
can he have soured?
can we have soured?
can you have soured?
can they have soured? 	can I have been souring?
can you have been souring?
can he have been souring?
can we have been souring?
can you have been souring?
can they have been souring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I sour?
can't you sour?
can't he sour?
can't we sour?
can't you sour?
can't they sour? 	can't I be souring?
can't you be souring?
can't he be souring?
can't we be souring?
can't you be souring?
can't they be souring? 	can't I have soured?
can't you have soured?
can't he have soured?
can't we have soured?
can't you have soured?
can't they have soured? 	can't I have been souring?
can't you have been souring?
can't he have been souring?
can't we have been souring?
can't you have been souring?
can't they have been souring?