can thorn
Verbe régulier : thorn - thorned- thorned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can thorn
you can thorn
he can thorn
we can thorn
you can thorn
they can thorn 	I can be thorning
you can be thorning
he can be thorning
we can be thorning
you can be thorning
they can be thorning	I can have thorned
you can have thorned
he can have thorned
we can have thorned
you can have thorned
they can have thorned	I can have been thorning
you can have been thorning
he can have been thorning
we can have been thorning
you can have been thorning
they can have been thorning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot thorn
you cannot thorn
he cannot thorn
we cannot thorn
you cannot thorn
they cannot thorn 	I cannot be thorning
you cannot be thorning
he cannot be thorning
we cannot be thorning
you cannot be thorning
they cannot be thorning	I cannot have thorned
you cannot have thorned
he cannot have thorned
we cannot have thorned
you cannot have thorned
they cannot have thorned	I cannot have been thorning
you cannot have been thorning
he cannot have been thorning
we cannot have been thorning
you cannot have been thorning
they cannot have been thorning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I thorn?
can you thorn?
can he thorn?
can we thorn?
can you thorn?
can they thorn? 	can I be thorning?
can you be thorning?
can he be thorning?
can we be thorning?
can you be thorning?
can they be thorning? 	can I have thorned?
can you have thorned?
can he have thorned?
can we have thorned?
can you have thorned?
can they have thorned? 	can I have been thorning?
can you have been thorning?
can he have been thorning?
can we have been thorning?
can you have been thorning?
can they have been thorning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not thorn?
can you not thorn?
can he not thorn?
can we not thorn?
can you not thorn?
can they not thorn? 	can I not be thorning?
can you not be thorning?
can he not be thorning?
can we not be thorning?
can you not be thorning?
can they not be thorning? 	can I not have thorned?
can you not have thorned?
can he not have thorned?
can we not have thorned?
can you not have thorned?
can they not have thorned? 	can I not have been thorning?
can you not have been thorning?
can he not have been thorning?
can we not have been thorning?
can you not have been thorning?
can they not have been thorning?