Coniugazione del verbo inglese
COULD CURTAIN

Verbo regolare: curtain - curtained - curtained

Affermazione

Forma semplice	Forma con V-ing
I could curtain you could curtain she could curtain we could curtain you could curtain they could curtain	I could be curtaining you could be curtaining she could be curtaining we could be curtaining you could be curtaining they could be curtaining
Perfetto	Perfetto con V-ing
I could have curtained you could have curtained she could have curtained we could have curtained you could have curtained they could have curtained	I could have been curtaining you could have been curtaining she could have been curtaining we could have been curtaining you could have been curtaining they could have been curtaining

Negazione

Forma semplice	Forma con V-ing
I could not curtain you could not curtain she could not curtain we could not curtain you could not curtain they could not curtain	I could not be curtaining you could not be curtaining she could not be curtaining we could not be curtaining you could not be curtaining they could not be curtaining
Perfetto	Perfetto con V-ing
I could not have curtained you could not have curtained she could not have curtained we could not have curtained you could not have curtained they could not have curtained	I could not have been curtaining you could not have been curtaining she could not have been curtaining we could not have been curtaining you could not have been curtaining they could not have been curtaining

Forma interrogativa

Forma semplice	Forma con V-ing
could I curtain? could you curtain? could she curtain? could we curtain? could you curtain? could they curtain?	could I be curtaining? could you be curtaining? could she be curtaining? could we be curtaining? could you be curtaining? could they be curtaining?
Perfetto	Perfetto con V-ing
could I have curtained? could you have curtained? could she have curtained? could we have curtained? could you have curtained? could they have curtained?	could I have been curtaining? could you have been curtaining? could she have been curtaining? could we have been curtaining? could you have been curtaining? could they have been curtaining?

Forma interro-negativa

Forma semplice	Forma con V-ing
could I not curtain? could you not curtain? could she not curtain? could we not curtain? could you not curtain? could they not curtain?	could I not be curtaining? could you not be curtaining? could she not be curtaining? could we not be curtaining? could you not be curtaining? could they not be curtaining?
Perfetto	Perfetto con V-ing
could I not have curtained? could you not have curtained? could she not have curtained? could we not have curtained? could you not have curtained? could they not have curtained?	could I not have been curtaining? could you not have been curtaining? could she not have been curtaining? could we not have been curtaining? could you not have been curtaining? could they not have been curtaining?