English verb conjugation
MAY BACKPACK

Regular verb: backpack - backpacked - backpacked

Affirmation

Simple form	V-ing form
I may backpack you may backpack he may backpack we may backpack you may backpack they may backpack	I may be backpacking you may be backpacking he 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 he 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 he 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 he 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 he 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 he 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 he 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 he backpack? may we backpack? may you backpack? may they backpack?	may I be backpacking? may you be backpacking? may he 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 he 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 he 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 he 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 he 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 he 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 he have been backpacking? mayn't we have been backpacking? mayn't you have been backpacking? mayn't they have been backpacking?