Coniugazione del verbo inglese
COULD ZIPPER

Verbo regolare: zipper - zippered - zippered

Affermazione

Forma semplice	Forma con V-ing
I could zipper you could zipper she could zipper we could zipper you could zipper they could zipper	I could be zippering you could be zippering she could be zippering we could be zippering you could be zippering they could be zippering
Perfetto	Perfetto con V-ing
I could have zippered you could have zippered she could have zippered we could have zippered you could have zippered they could have zippered	I could have been zippering you could have been zippering she could have been zippering we could have been zippering you could have been zippering they could have been zippering

Negazione

Forma semplice	Forma con V-ing
I could not zipper you could not zipper she could not zipper we could not zipper you could not zipper they could not zipper	I could not be zippering you could not be zippering she could not be zippering we could not be zippering you could not be zippering they could not be zippering
Perfetto	Perfetto con V-ing
I could not have zippered you could not have zippered she could not have zippered we could not have zippered you could not have zippered they could not have zippered	I could not have been zippering you could not have been zippering she could not have been zippering we could not have been zippering you could not have been zippering they could not have been zippering

Forma interrogativa

Forma semplice	Forma con V-ing
could I zipper? could you zipper? could she zipper? could we zipper? could you zipper? could they zipper?	could I be zippering? could you be zippering? could she be zippering? could we be zippering? could you be zippering? could they be zippering?
Perfetto	Perfetto con V-ing
could I have zippered? could you have zippered? could she have zippered? could we have zippered? could you have zippered? could they have zippered?	could I have been zippering? could you have been zippering? could she have been zippering? could we have been zippering? could you have been zippering? could they have been zippering?

Forma interro-negativa

Forma semplice	Forma con V-ing
could I not zipper? could you not zipper? could she not zipper? could we not zipper? could you not zipper? could they not zipper?	could I not be zippering? could you not be zippering? could she not be zippering? could we not be zippering? could you not be zippering? could they not be zippering?
Perfetto	Perfetto con V-ing
could I not have zippered? could you not have zippered? could she not have zippered? could we not have zippered? could you not have zippered? could they not have zippered?	could I not have been zippering? could you not have been zippering? could she not have been zippering? could we not have been zippering? could you not have been zippering? could they not have been zippering?