English verb conjugation
CAN UNPACK

Regular verb: unpack - unpacked - unpacked

Affirmation

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

Negation

Simple form	V-ing form
I cannot unpack you cannot unpack she cannot unpack we cannot unpack you cannot unpack they cannot unpack	I cannot be unpacking you cannot be unpacking she cannot be unpacking we cannot be unpacking you cannot be unpacking they cannot be unpacking
Perfect	V-ing perfect
I cannot have unpacked you cannot have unpacked she cannot have unpacked we cannot have unpacked you cannot have unpacked they cannot have unpacked	I cannot have been unpacking you cannot have been unpacking she cannot have been unpacking we cannot have been unpacking you cannot have been unpacking they cannot have been unpacking

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not unpack? can you not unpack? can she not unpack? can we not unpack? can you not unpack? can they not unpack?	can I not be unpacking? can you not be unpacking? can she not be unpacking? can we not be unpacking? can you not be unpacking? can they not be unpacking?
Perfect	V-ing perfect
can I not have unpacked? can you not have unpacked? can she not have unpacked? can we not have unpacked? can you not have unpacked? can they not have unpacked?	can I not have been unpacking? can you not have been unpacking? can she not have been unpacking? can we not have been unpacking? can you not have been unpacking? can they not have been unpacking?