to preharden
Regular verb: preharden - prehardened- prehardened

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I preharden
you preharden
he prehardens
we preharden
you preharden
they preharden 	Iamprehardening
youareprehardening
heisprehardening
weareprehardening
youareprehardening
theyareprehardening	I prehardened
you prehardened
he prehardened
we prehardened
you prehardened
they prehardened	Iwasprehardening
youwereprehardening
hewasprehardening
wewereprehardening
youwereprehardening
theywereprehardening	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have prehardened
you have prehardened
he has prehardened
we have prehardened
you have prehardened
they have prehardened	I have been prehardening
you have been prehardening
hehasbeen prehardening
we have been prehardening
you have been prehardening
they have been prehardening	I had prehardened
you had prehardened
he had prehardened
we had prehardened
you had prehardened
they had prehardened	I had been prehardening
you had been prehardening
he had been prehardening
we had been prehardening
you had been prehardening
they had been prehardening	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
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	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would preharden
you would preharden
he would preharden
we would preharden
you would preharden
they would preharden 	I would be prehardening
you would be prehardening
he would be prehardening
we would be prehardening
you would be prehardening
they would be prehardening	I would have prehardened
you would have prehardened
he would have prehardened
we would have prehardened
you would have prehardened
they would have prehardened	I would have been prehardening
you would have been prehardening
he would have been prehardening
we would have been prehardening
you would have been prehardening
they would have been prehardening	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to preharden 	 	preharden
Let's preharden
preharden 	 	

Participle 	
Present 	Past 	 	 	
prehardening	prehardened