English verb conjugation
MUST UNPACK

Regular verb: unpack - unpacked - unpacked

Affirmation

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

Negation

Simple form	V-ing form
I must not unpack you must not unpack he must not unpack we must not unpack you must not unpack they must not unpack	I must not be unpacking you must not be unpacking he must not be unpacking we must not be unpacking you must not be unpacking they must not be unpacking
Perfect	V-ing perfect
I must not have unpacked you must not have unpacked he must not have unpacked we must not have unpacked you must not have unpacked they must not have unpacked	I must not have been unpacking you must not have been unpacking he must not have been unpacking we must not have been unpacking you must not have been unpacking they must not have been unpacking

Interrogative form

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

Interro-negative form

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