I could petrify you could petrify he could petrify we could petrify you could petrify they could petrify
Forma con V-ing
I could be petrifying you could be petrifying he could be petrifying we could be petrifying you could be petrifying they could be petrifying
Perfetto
I could have petrified you could have petrified he could have petrified we could have petrified you could have petrified they could have petrified
Perfetto con V-ing
I could have been petrifying you could have been petrifying he could have been petrifying we could have been petrifying you could have been petrifying they could have been petrifying
Negazione
Forma semplice
I could not petrify you could not petrify he could not petrify we could not petrify you could not petrify they could not petrify
Forma con V-ing
I could not be petrifying you could not be petrifying he could not be petrifying we could not be petrifying you could not be petrifying they could not be petrifying
Perfetto
I could not have petrified you could not have petrified he could not have petrified we could not have petrified you could not have petrified they could not have petrified
Perfetto con V-ing
I could not have been petrifying you could not have been petrifying he could not have been petrifying we could not have been petrifying you could not have been petrifying they could not have been petrifying
Forma interrogativa
Forma semplice
could I petrify? could you petrify? could he petrify? could we petrify? could you petrify? could they petrify?
Forma con V-ing
could I be petrifying? could you be petrifying? could he be petrifying? could we be petrifying? could you be petrifying? could they be petrifying?
Perfetto
could I have petrified? could you have petrified? could he have petrified? could we have petrified? could you have petrified? could they have petrified?
Perfetto con V-ing
could I have been petrifying? could you have been petrifying? could he have been petrifying? could we have been petrifying? could you have been petrifying? could they have been petrifying?
Forma interro-negativa
Forma semplice
could I not petrify? could you not petrify? could he not petrify? could we not petrify? could you not petrify? could they not petrify?
Forma con V-ing
could I not be petrifying? could you not be petrifying? could he not be petrifying? could we not be petrifying? could you not be petrifying? could they not be petrifying?
Perfetto
could I not have petrified? could you not have petrified? could he not have petrified? could we not have petrified? could you not have petrified? could they not have petrified?
Perfetto con V-ing
could I not have been petrifying? could you not have been petrifying? could he not have been petrifying? could we not have been petrifying? could you not have been petrifying? could they not have been petrifying?