Conjugación del verbo inglés
COULD UNPIN

Verbo regular: unpin - unpinned - unpinned

Afirmación

Forma simple	Forma con V-ing
I could unpin you could unpin he could unpin we could unpin you could unpin they could unpin	I could be unpinning you could be unpinning he could be unpinning we could be unpinning you could be unpinning they could be unpinning
Perfecto	Perfecto con V-ing
I could have unpinned you could have unpinned he could have unpinned we could have unpinned you could have unpinned they could have unpinned	I could have been unpinning you could have been unpinning he could have been unpinning we could have been unpinning you could have been unpinning they could have been unpinning

Negación

Forma simple	Forma con V-ing
I could not unpin you could not unpin he could not unpin we could not unpin you could not unpin they could not unpin	I could not be unpinning you could not be unpinning he could not be unpinning we could not be unpinning you could not be unpinning they could not be unpinning
Perfecto	Perfecto con V-ing
I could not have unpinned you could not have unpinned he could not have unpinned we could not have unpinned you could not have unpinned they could not have unpinned	I could not have been unpinning you could not have been unpinning he could not have been unpinning we could not have been unpinning you could not have been unpinning they could not have been unpinning

Forma interrogativa

Forma simple	Forma con V-ing
could I unpin? could you unpin? could he unpin? could we unpin? could you unpin? could they unpin?	could I be unpinning? could you be unpinning? could he be unpinning? could we be unpinning? could you be unpinning? could they be unpinning?
Perfecto	Perfecto con V-ing
could I have unpinned? could you have unpinned? could he have unpinned? could we have unpinned? could you have unpinned? could they have unpinned?	could I have been unpinning? could you have been unpinning? could he have been unpinning? could we have been unpinning? could you have been unpinning? could they have been unpinning?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not unpin? could you not unpin? could he not unpin? could we not unpin? could you not unpin? could they not unpin?	could I not be unpinning? could you not be unpinning? could he not be unpinning? could we not be unpinning? could you not be unpinning? could they not be unpinning?
Perfecto	Perfecto con V-ing
could I not have unpinned? could you not have unpinned? could he not have unpinned? could we not have unpinned? could you not have unpinned? could they not have unpinned?	could I not have been unpinning? could you not have been unpinning? could he not have been unpinning? could we not have been unpinning? could you not have been unpinning? could they not have been unpinning?