can reharden
Regular verb: reharden - rehardened- rehardened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can reharden
you can reharden
he can reharden
we can reharden
you can reharden
they can reharden 	I can be rehardening
you can be rehardening
he can be rehardening
we can be rehardening
you can be rehardening
they can be rehardening	I can have rehardened
you can have rehardened
he can have rehardened
we can have rehardened
you can have rehardened
they can have rehardened	I can have been rehardening
you can have been rehardening
he can have been rehardening
we can have been rehardening
you can have been rehardening
they can have been rehardening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't reharden
you can't reharden
he can't reharden
we can't reharden
you can't reharden
they can't reharden 	I can't be rehardening
you can't be rehardening
he can't be rehardening
we can't be rehardening
you can't be rehardening
they can't be rehardening	I can't have rehardened
you can't have rehardened
he can't have rehardened
we can't have rehardened
you can't have rehardened
they can't have rehardened	I can't have been rehardening
you can't have been rehardening
he can't have been rehardening
we can't have been rehardening
you can't have been rehardening
they can't have been rehardening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I reharden?
can you reharden?
can he reharden?
can we reharden?
can you reharden?
can they reharden? 	can I be rehardening?
can you be rehardening?
can he be rehardening?
can we be rehardening?
can you be rehardening?
can they be rehardening? 	can I have rehardened?
can you have rehardened?
can he have rehardened?
can we have rehardened?
can you have rehardened?
can they have rehardened? 	can I have been rehardening?
can you have been rehardening?
can he have been rehardening?
can we have been rehardening?
can you have been rehardening?
can they have been rehardening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I reharden?
can't you reharden?
can't he reharden?
can't we reharden?
can't you reharden?
can't they reharden? 	can't I be rehardening?
can't you be rehardening?
can't he be rehardening?
can't we be rehardening?
can't you be rehardening?
can't they be rehardening? 	can't I have rehardened?
can't you have rehardened?
can't he have rehardened?
can't we have rehardened?
can't you have rehardened?
can't they have rehardened? 	can't I have been rehardening?
can't you have been rehardening?
can't he have been rehardening?
can't we have been rehardening?
can't you have been rehardening?
can't they have been rehardening?