Conjugaison du verbe anglais
COULD TOUGHEN

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

Affirmation

Forme simple	Forme en V-ing
I could toughen you could toughen she could toughen we could toughen you could toughen they could toughen	I could be toughening you could be toughening she could be toughening we could be toughening you could be toughening they could be toughening
Perfect	Perfect en V-ing
I could have toughened you could have toughened she could have toughened we could have toughened you could have toughened they could have toughened	I could have been toughening you could have been toughening she could have been toughening we could have been toughening you could have been toughening they could have been toughening

Négation

Forme simple	Forme en V-ing
I could not toughen you could not toughen she could not toughen we could not toughen you could not toughen they could not toughen	I could not be toughening you could not be toughening she could not be toughening we could not be toughening you could not be toughening they could not be toughening
Perfect	Perfect en V-ing
I could not have toughened you could not have toughened she could not have toughened we could not have toughened you could not have toughened they could not have toughened	I could not have been toughening you could not have been toughening she could not have been toughening we could not have been toughening you could not have been toughening they could not have been toughening

Forme interrogative

Forme simple	Forme en V-ing
could I toughen? could you toughen? could she toughen? could we toughen? could you toughen? could they toughen?	could I be toughening? could you be toughening? could she be toughening? could we be toughening? could you be toughening? could they be toughening?
Perfect	Perfect en V-ing
could I have toughened? could you have toughened? could she have toughened? could we have toughened? could you have toughened? could they have toughened?	could I have been toughening? could you have been toughening? could she have been toughening? could we have been toughening? could you have been toughening? could they have been toughening?

Forme interro-négative

Forme simple	Forme en V-ing
could I not toughen? could you not toughen? could she not toughen? could we not toughen? could you not toughen? could they not toughen?	could I not be toughening? could you not be toughening? could she not be toughening? could we not be toughening? could you not be toughening? could they not be toughening?
Perfect	Perfect en V-ing
could I not have toughened? could you not have toughened? could she not have toughened? could we not have toughened? could you not have toughened? could they not have toughened?	could I not have been toughening? could you not have been toughening? could she not have been toughening? could we not have been toughening? could you not have been toughening? could they not have been toughening?