will preharden
Regular verb: preharden - prehardened- prehardened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will preharden
you will preharden
he will preharden
we will preharden
you will preharden
they will preharden 	I will be prehardening
you will be prehardening
he will be prehardening
we will be prehardening
you will be prehardening
they will be prehardening	I will have prehardened
you will have prehardened
he will have prehardened
we will have prehardened
you will have prehardened
they will have prehardened	I will have been prehardening
you will have been prehardening
he will have been prehardening
we will have been prehardening
you will have been prehardening
they will have been prehardening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will not preharden
you will not preharden
he will not preharden
we will not preharden
you will not preharden
they will not preharden 	I will not be prehardening
you will not be prehardening
he will not be prehardening
we will not be prehardening
you will not be prehardening
they will not be prehardening	I will not have prehardened
you will not have prehardened
he will not have prehardened
we will not have prehardened
you will not have prehardened
they will not have prehardened	I will not have been prehardening
you will not have been prehardening
he will not have been prehardening
we will not have been prehardening
you will not have been prehardening
they will not have been prehardening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I preharden?
will you preharden?
will he preharden?
will we preharden?
will you preharden?
will they preharden? 	will I be prehardening?
will you be prehardening?
will he be prehardening?
will we be prehardening?
will you be prehardening?
will they be prehardening? 	will I have prehardened?
will you have prehardened?
will he have prehardened?
will we have prehardened?
will you have prehardened?
will they have prehardened? 	will I have been prehardening?
will you have been prehardening?
will he have been prehardening?
will we have been prehardening?
will you have been prehardening?
will they have been prehardening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I not preharden?
will you not preharden?
will he not preharden?
will we not preharden?
will you not preharden?
will they not preharden? 	will I not be prehardening?
will you not be prehardening?
will he not be prehardening?
will we not be prehardening?
will you not be prehardening?
will they not be prehardening? 	will I not have prehardened?
will you not have prehardened?
will he not have prehardened?
will we not have prehardened?
will you not have prehardened?
will they not have prehardened? 	will I not have been prehardening?
will you not have been prehardening?
will he not have been prehardening?
will we not have been prehardening?
will you not have been prehardening?
will they not have been prehardening?