Coniugazione del verbo inglese
COULD DEMONSTRATE

Verbo regolare: demonstrate - demonstrated - demonstrated

Affermazione

Forma semplice	Forma con V-ing
I could demonstrate you could demonstrate she could demonstrate we could demonstrate you could demonstrate they could demonstrate	I could be demonstrating you could be demonstrating she could be demonstrating we could be demonstrating you could be demonstrating they could be demonstrating
Perfetto	Perfetto con V-ing
I could have demonstrated you could have demonstrated she could have demonstrated we could have demonstrated you could have demonstrated they could have demonstrated	I could have been demonstrating you could have been demonstrating she could have been demonstrating we could have been demonstrating you could have been demonstrating they could have been demonstrating

Negazione

Forma semplice	Forma con V-ing
I could not demonstrate you could not demonstrate she could not demonstrate we could not demonstrate you could not demonstrate they could not demonstrate	I could not be demonstrating you could not be demonstrating she could not be demonstrating we could not be demonstrating you could not be demonstrating they could not be demonstrating
Perfetto	Perfetto con V-ing
I could not have demonstrated you could not have demonstrated she could not have demonstrated we could not have demonstrated you could not have demonstrated they could not have demonstrated	I could not have been demonstrating you could not have been demonstrating she could not have been demonstrating we could not have been demonstrating you could not have been demonstrating they could not have been demonstrating

Forma interrogativa

Forma semplice	Forma con V-ing
could I demonstrate? could you demonstrate? could she demonstrate? could we demonstrate? could you demonstrate? could they demonstrate?	could I be demonstrating? could you be demonstrating? could she be demonstrating? could we be demonstrating? could you be demonstrating? could they be demonstrating?
Perfetto	Perfetto con V-ing
could I have demonstrated? could you have demonstrated? could she have demonstrated? could we have demonstrated? could you have demonstrated? could they have demonstrated?	could I have been demonstrating? could you have been demonstrating? could she have been demonstrating? could we have been demonstrating? could you have been demonstrating? could they have been demonstrating?

Forma interro-negativa

Forma semplice	Forma con V-ing
could I not demonstrate? could you not demonstrate? could she not demonstrate? could we not demonstrate? could you not demonstrate? could they not demonstrate?	could I not be demonstrating? could you not be demonstrating? could she not be demonstrating? could we not be demonstrating? could you not be demonstrating? could they not be demonstrating?
Perfetto	Perfetto con V-ing
could I not have demonstrated? could you not have demonstrated? could she not have demonstrated? could we not have demonstrated? could you not have demonstrated? could they not have demonstrated?	could I not have been demonstrating? could you not have been demonstrating? could she not have been demonstrating? could we not have been demonstrating? could you not have been demonstrating? could they not have been demonstrating?