shall toughen
Verbe régulier : toughen - toughened- toughened
Traduction française : rendre plus solide - durcir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shall toughen
you shall toughen
he shall toughen
we shall toughen
you shall toughen
they shall toughen 	I shall be toughening
you shall be toughening
he shall be toughening
we shall be toughening
you shall be toughening
they shall be toughening	I shall have toughened
you shall have toughened
he shall have toughened
we shall have toughened
you shall have toughened
they shall have toughened	I shall have been toughening
you shall have been toughening
he shall have been toughening
we shall have been toughening
you shall have been toughening
they shall have been toughening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shall not toughen
you shall not toughen
he shall not toughen
we shall not toughen
you shall not toughen
they shall not toughen 	I shall not be toughening
you shall not be toughening
he shall not be toughening
we shall not be toughening
you shall not be toughening
they shall not be toughening	I shall not have toughened
you shall not have toughened
he shall not have toughened
we shall not have toughened
you shall not have toughened
they shall not have toughened	I shall not have been toughening
you shall not have been toughening
he shall not have been toughening
we shall not have been toughening
you shall not have been toughening
they shall not have been toughening	

Forme interrogative 	
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shall I toughen?
shall you toughen?
shall he toughen?
shall we toughen?
shall you toughen?
shall they toughen? 	shall I be toughening?
shall you be toughening?
shall he be toughening?
shall we be toughening?
shall you be toughening?
shall they be toughening? 	shall I have toughened?
shall you have toughened?
shall he have toughened?
shall we have toughened?
shall you have toughened?
shall they have toughened? 	shall I have been toughening?
shall you have been toughening?
shall he have been toughening?
shall we have been toughening?
shall you have been toughening?
shall they have been toughening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I not toughen?
shall you not toughen?
shall he not toughen?
shall we not toughen?
shall you not toughen?
shall they not toughen? 	shall I not be toughening?
shall you not be toughening?
shall he not be toughening?
shall we not be toughening?
shall you not be toughening?
shall they not be toughening? 	shall I not have toughened?
shall you not have toughened?
shall he not have toughened?
shall we not have toughened?
shall you not have toughened?
shall they not have toughened? 	shall I not have been toughening?
shall you not have been toughening?
shall he not have been toughening?
shall we not have been toughening?
shall you not have been toughening?
shall they not have been toughening?