I could unpack you could unpack she could unpack we could unpack you could unpack they could unpack
Forma con V-ing
I could be unpacking you could be unpacking she could be unpacking we could be unpacking you could be unpacking they could be unpacking
Perfecto
I could have unpacked you could have unpacked she could have unpacked we could have unpacked you could have unpacked they could have unpacked
Perfecto con V-ing
I could have been unpacking you could have been unpacking she could have been unpacking we could have been unpacking you could have been unpacking they could have been unpacking
Negación
Forma simple
I couldn't unpack you couldn't unpack she couldn't unpack we couldn't unpack you couldn't unpack they couldn't unpack
Forma con V-ing
I couldn't be unpacking you couldn't be unpacking she couldn't be unpacking we couldn't be unpacking you couldn't be unpacking they couldn't be unpacking
Perfecto
I couldn't have unpacked you couldn't have unpacked she couldn't have unpacked we couldn't have unpacked you couldn't have unpacked they couldn't have unpacked
Perfecto con V-ing
I couldn't have been unpacking you couldn't have been unpacking she couldn't have been unpacking we couldn't have been unpacking you couldn't have been unpacking they couldn't have been unpacking
Forma interrogativa
Forma simple
could I unpack? could you unpack? could she unpack? could we unpack? could you unpack? could they unpack?
Forma con V-ing
could I be unpacking? could you be unpacking? could she be unpacking? could we be unpacking? could you be unpacking? could they be unpacking?
Perfecto
could I have unpacked? could you have unpacked? could she have unpacked? could we have unpacked? could you have unpacked? could they have unpacked?
Perfecto con V-ing
could I have been unpacking? could you have been unpacking? could she have been unpacking? could we have been unpacking? could you have been unpacking? could they have been unpacking?
Forma interro-negativa
Forma simple
couldn't I unpack? couldn't you unpack? couldn't she unpack? couldn't we unpack? couldn't you unpack? couldn't they unpack?
Forma con V-ing
couldn't I be unpacking? couldn't you be unpacking? couldn't she be unpacking? couldn't we be unpacking? couldn't you be unpacking? couldn't they be unpacking?
Perfecto
couldn't I have unpacked? couldn't you have unpacked? couldn't she have unpacked? couldn't we have unpacked? couldn't you have unpacked? couldn't they have unpacked?
Perfecto con V-ing
couldn't I have been unpacking? couldn't you have been unpacking? couldn't she have been unpacking? couldn't we have been unpacking? couldn't you have been unpacking? couldn't they have been unpacking?