can overharden
Verbe régulier : overharden - overhardened- overhardened

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can overharden
you can overharden
he can overharden
we can overharden
you can overharden
they can overharden 	I can be overhardening
you can be overhardening
he can be overhardening
we can be overhardening
you can be overhardening
they can be overhardening	I can have overhardened
you can have overhardened
he can have overhardened
we can have overhardened
you can have overhardened
they can have overhardened	I can have been overhardening
you can have been overhardening
he can have been overhardening
we can have been overhardening
you can have been overhardening
they can have been overhardening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot overharden
you cannot overharden
he cannot overharden
we cannot overharden
you cannot overharden
they cannot overharden 	I cannot be overhardening
you cannot be overhardening
he cannot be overhardening
we cannot be overhardening
you cannot be overhardening
they cannot be overhardening	I cannot have overhardened
you cannot have overhardened
he cannot have overhardened
we cannot have overhardened
you cannot have overhardened
they cannot have overhardened	I cannot have been overhardening
you cannot have been overhardening
he cannot have been overhardening
we cannot have been overhardening
you cannot have been overhardening
they cannot have been overhardening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I overharden?
can you overharden?
can he overharden?
can we overharden?
can you overharden?
can they overharden? 	can I be overhardening?
can you be overhardening?
can he be overhardening?
can we be overhardening?
can you be overhardening?
can they be overhardening? 	can I have overhardened?
can you have overhardened?
can he have overhardened?
can we have overhardened?
can you have overhardened?
can they have overhardened? 	can I have been overhardening?
can you have been overhardening?
can he have been overhardening?
can we have been overhardening?
can you have been overhardening?
can they have been overhardening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not overharden?
can you not overharden?
can he not overharden?
can we not overharden?
can you not overharden?
can they not overharden? 	can I not be overhardening?
can you not be overhardening?
can he not be overhardening?
can we not be overhardening?
can you not be overhardening?
can they not be overhardening? 	can I not have overhardened?
can you not have overhardened?
can he not have overhardened?
can we not have overhardened?
can you not have overhardened?
can they not have overhardened? 	can I not have been overhardening?
can you not have been overhardening?
can he not have been overhardening?
can we not have been overhardening?
can you not have been overhardening?
can they not have been overhardening?