English verb conjugation
COULD UNPACK

Regular verb: unpack - unpacked - unpacked

Affirmation

Simple form	V-ing form
I could unpack you could unpack he could unpack we could unpack you could unpack they could unpack	I could be unpacking you could be unpacking he could be unpacking we could be unpacking you could be unpacking they could be unpacking
Perfect	V-ing perfect
I could have unpacked you could have unpacked he could have unpacked we could have unpacked you could have unpacked they could have unpacked	I could have been unpacking you could have been unpacking he could have been unpacking we could have been unpacking you could have been unpacking they could have been unpacking

Negation

Simple form	V-ing form
I couldn't unpack you couldn't unpack he couldn't unpack we couldn't unpack you couldn't unpack they couldn't unpack	I couldn't be unpacking you couldn't be unpacking he couldn't be unpacking we couldn't be unpacking you couldn't be unpacking they couldn't be unpacking
Perfect	V-ing perfect
I couldn't have unpacked you couldn't have unpacked he couldn't have unpacked we couldn't have unpacked you couldn't have unpacked they couldn't have unpacked	I couldn't have been unpacking you couldn't have been unpacking he couldn't have been unpacking we couldn't have been unpacking you couldn't have been unpacking they couldn't have been unpacking

Interrogative form

Simple form	V-ing form
could I unpack? could you unpack? could he unpack? could we unpack? could you unpack? could they unpack?	could I be unpacking? could you be unpacking? could he be unpacking? could we be unpacking? could you be unpacking? could they be unpacking?
Perfect	V-ing perfect
could I have unpacked? could you have unpacked? could he have unpacked? could we have unpacked? could you have unpacked? could they have unpacked?	could I have been unpacking? could you have been unpacking? could he have been unpacking? could we have been unpacking? could you have been unpacking? could they have been unpacking?

Interro-negative form

Simple form	V-ing form
couldn't I unpack? couldn't you unpack? couldn't he unpack? couldn't we unpack? couldn't you unpack? couldn't they unpack?	couldn't I be unpacking? couldn't you be unpacking? couldn't he be unpacking? couldn't we be unpacking? couldn't you be unpacking? couldn't they be unpacking?
Perfect	V-ing perfect
couldn't I have unpacked? couldn't you have unpacked? couldn't he have unpacked? couldn't we have unpacked? couldn't you have unpacked? couldn't they have unpacked?	couldn't I have been unpacking? couldn't you have been unpacking? couldn't he have been unpacking? couldn't we have been unpacking? couldn't you have been unpacking? couldn't they have been unpacking?