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

Affirmation 	
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I'd toughen
you'd toughen
he'd toughen
we'd toughen
you'd toughen
they'd toughen 	I'd be toughening
you'd be toughening
he'd be toughening
we'd be toughening
you'd be toughening
they'd be toughening	I should've toughened
you should've toughened
he should've toughened
we should've toughened
you should've toughened
they should've toughened	I should've been toughening
you should've been toughening
he should've been toughening
we should've been toughening
you should've been toughening
they should've been toughening	

Négation 	
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I shouldn't toughen
you shouldn't toughen
he shouldn't toughen
we shouldn't toughen
you shouldn't toughen
they shouldn't toughen 	I shouldn't be toughening
you shouldn't be toughening
he shouldn't be toughening
we shouldn't be toughening
you shouldn't be toughening
they shouldn't be toughening	I shouldn't have toughened
you shouldn't have toughened
he shouldn't have toughened
we shouldn't have toughened
you shouldn't have toughened
they shouldn't have toughened	I shouldn't have been toughening
you shouldn't have been toughening
he shouldn't have been toughening
we shouldn't have been toughening
you shouldn't have been toughening
they shouldn't have been toughening	

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

Forme interro-négative 	
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shouldn't I toughen?
shouldn't you toughen?
shouldn't he toughen?
shouldn't we toughen?
shouldn't you toughen?
shouldn't they toughen? 	shouldn't I be toughening?
shouldn't you be toughening?
shouldn't he be toughening?
shouldn't we be toughening?
shouldn't you be toughening?
shouldn't they be toughening? 	shouldn't I have toughened?
shouldn't you have toughened?
shouldn't he have toughened?
shouldn't we have toughened?
shouldn't you have toughened?
shouldn't they have toughened? 	shouldn't I have been toughening?
shouldn't you have been toughening?
shouldn't he have been toughening?
shouldn't we have been toughening?
shouldn't you have been toughening?
shouldn't they have been toughening?