English verb conjugation
MAY BACKPACK

Regular verb: backpack - backpacked - backpacked

Affirmation

Simple form	V-ing form
I may backpack you may backpack she may backpack we may backpack you may backpack they may backpack	I may be backpacking you may be backpacking she may be backpacking we may be backpacking you may be backpacking they may be backpacking
Perfect	V-ing perfect
I may have backpacked you may have backpacked she may have backpacked we may have backpacked you may have backpacked they may have backpacked	I may have been backpacking you may have been backpacking she may have been backpacking we may have been backpacking you may have been backpacking they may have been backpacking

Negation

Simple form	V-ing form
I mayn't backpack you mayn't backpack she mayn't backpack we mayn't backpack you mayn't backpack they mayn't backpack	I mayn't be backpacking you mayn't be backpacking she mayn't be backpacking we mayn't be backpacking you mayn't be backpacking they mayn't be backpacking
Perfect	V-ing perfect
I mayn't have backpacked you mayn't have backpacked she mayn't have backpacked we mayn't have backpacked you mayn't have backpacked they mayn't have backpacked	I mayn't have been backpacking you mayn't have been backpacking she mayn't have been backpacking we mayn't have been backpacking you mayn't have been backpacking they mayn't have been backpacking

Interrogative form

Simple form	V-ing form
may I backpack? may you backpack? may she backpack? may we backpack? may you backpack? may they backpack?	may I be backpacking? may you be backpacking? may she be backpacking? may we be backpacking? may you be backpacking? may they be backpacking?
Perfect	V-ing perfect
may I have backpacked? may you have backpacked? may she have backpacked? may we have backpacked? may you have backpacked? may they have backpacked?	may I have been backpacking? may you have been backpacking? may she have been backpacking? may we have been backpacking? may you have been backpacking? may they have been backpacking?

Interro-negative form

Simple form	V-ing form
mayn't I backpack? mayn't you backpack? mayn't she backpack? mayn't we backpack? mayn't you backpack? mayn't they backpack?	mayn't I be backpacking? mayn't you be backpacking? mayn't she be backpacking? mayn't we be backpacking? mayn't you be backpacking? mayn't they be backpacking?
Perfect	V-ing perfect
mayn't I have backpacked? mayn't you have backpacked? mayn't she have backpacked? mayn't we have backpacked? mayn't you have backpacked? mayn't they have backpacked?	mayn't I have been backpacking? mayn't you have been backpacking? mayn't she have been backpacking? mayn't we have been backpacking? mayn't you have been backpacking? mayn't they have been backpacking?