I may unpack you may unpack he may unpack we may unpack you may unpack they may unpack
V-ing form
I may be unpacking you may be unpacking he may be unpacking we may be unpacking you may be unpacking they may be unpacking
Perfect
I may have unpacked you may have unpacked he may have unpacked we may have unpacked you may have unpacked they may have unpacked
V-ing perfect
I may have been unpacking you may have been unpacking he may have been unpacking we may have been unpacking you may have been unpacking they may have been unpacking
Negation
Simple form
I mayn't unpack you mayn't unpack he mayn't unpack we mayn't unpack you mayn't unpack they mayn't unpack
V-ing form
I mayn't be unpacking you mayn't be unpacking he mayn't be unpacking we mayn't be unpacking you mayn't be unpacking they mayn't be unpacking
Perfect
I mayn't have unpacked you mayn't have unpacked he mayn't have unpacked we mayn't have unpacked you mayn't have unpacked they mayn't have unpacked
V-ing perfect
I mayn't have been unpacking you mayn't have been unpacking he mayn't have been unpacking we mayn't have been unpacking you mayn't have been unpacking they mayn't have been unpacking
Interrogative form
Simple form
may I unpack? may you unpack? may he unpack? may we unpack? may you unpack? may they unpack?
V-ing form
may I be unpacking? may you be unpacking? may he be unpacking? may we be unpacking? may you be unpacking? may they be unpacking?
Perfect
may I have unpacked? may you have unpacked? may he have unpacked? may we have unpacked? may you have unpacked? may they have unpacked?
V-ing perfect
may I have been unpacking? may you have been unpacking? may he have been unpacking? may we have been unpacking? may you have been unpacking? may they have been unpacking?
Interro-negative form
Simple form
mayn't I unpack? mayn't you unpack? mayn't he unpack? mayn't we unpack? mayn't you unpack? mayn't they unpack?
V-ing form
mayn't I be unpacking? mayn't you be unpacking? mayn't he be unpacking? mayn't we be unpacking? mayn't you be unpacking? mayn't they be unpacking?
Perfect
mayn't I have unpacked? mayn't you have unpacked? mayn't he have unpacked? mayn't we have unpacked? mayn't you have unpacked? mayn't they have unpacked?
V-ing perfect
mayn't I have been unpacking? mayn't you have been unpacking? mayn't he have been unpacking? mayn't we have been unpacking? mayn't you have been unpacking? mayn't they have been unpacking?