Coniugazione del verbo inglese
COULD PREHARDEN

Verbo regolare: preharden - prehardened - prehardened

Affermazione

Forma semplice	Forma con V-ing
I could preharden you could preharden she could preharden we could preharden you could preharden they could preharden	I could be prehardening you could be prehardening she could be prehardening we could be prehardening you could be prehardening they could be prehardening
Perfetto	Perfetto con V-ing
I could have prehardened you could have prehardened she could have prehardened we could have prehardened you could have prehardened they could have prehardened	I could have been prehardening you could have been prehardening she could have been prehardening we could have been prehardening you could have been prehardening they could have been prehardening

Negazione

Forma semplice	Forma con V-ing
I could not preharden you could not preharden she could not preharden we could not preharden you could not preharden they could not preharden	I could not be prehardening you could not be prehardening she could not be prehardening we could not be prehardening you could not be prehardening they could not be prehardening
Perfetto	Perfetto con V-ing
I could not have prehardened you could not have prehardened she could not have prehardened we could not have prehardened you could not have prehardened they could not have prehardened	I could not have been prehardening you could not have been prehardening she could not have been prehardening we could not have been prehardening you could not have been prehardening they could not have been prehardening

Forma interrogativa

Forma semplice	Forma con V-ing
could I preharden? could you preharden? could she preharden? could we preharden? could you preharden? could they preharden?	could I be prehardening? could you be prehardening? could she be prehardening? could we be prehardening? could you be prehardening? could they be prehardening?
Perfetto	Perfetto con V-ing
could I have prehardened? could you have prehardened? could she have prehardened? could we have prehardened? could you have prehardened? could they have prehardened?	could I have been prehardening? could you have been prehardening? could she have been prehardening? could we have been prehardening? could you have been prehardening? could they have been prehardening?

Forma interro-negativa

Forma semplice	Forma con V-ing
could I not preharden? could you not preharden? could she not preharden? could we not preharden? could you not preharden? could they not preharden?	could I not be prehardening? could you not be prehardening? could she not be prehardening? could we not be prehardening? could you not be prehardening? could they not be prehardening?
Perfetto	Perfetto con V-ing
could I not have prehardened? could you not have prehardened? could she not have prehardened? could we not have prehardened? could you not have prehardened? could they not have prehardened?	could I not have been prehardening? could you not have been prehardening? could she not have been prehardening? could we not have been prehardening? could you not have been prehardening? could they not have been prehardening?