I might backpack you might backpack he might backpack we might backpack you might backpack they might backpack
V-ing form
I might be backpacking you might be backpacking he might be backpacking we might be backpacking you might be backpacking they might be backpacking
Perfect
I might have backpacked you might have backpacked he might have backpacked we might have backpacked you might have backpacked they might have backpacked
V-ing perfect
I might have been backpacking you might have been backpacking he might have been backpacking we might have been backpacking you might have been backpacking they might have been backpacking
Negation
Simple form
I mightn't backpack you mightn't backpack he mightn't backpack we mightn't backpack you mightn't backpack they mightn't backpack
V-ing form
I mightn't be backpacking you mightn't be backpacking he mightn't be backpacking we mightn't be backpacking you mightn't be backpacking they mightn't be backpacking
Perfect
I mightn't have backpacked you mightn't have backpacked he mightn't have backpacked we mightn't have backpacked you mightn't have backpacked they mightn't have backpacked
V-ing perfect
I mightn't have been backpacking you mightn't have been backpacking he mightn't have been backpacking we mightn't have been backpacking you mightn't have been backpacking they mightn't have been backpacking
Interrogative form
Simple form
might I backpack? might you backpack? might he backpack? might we backpack? might you backpack? might they backpack?
V-ing form
might I be backpacking? might you be backpacking? might he be backpacking? might we be backpacking? might you be backpacking? might they be backpacking?
Perfect
might I have backpacked? might you have backpacked? might he have backpacked? might we have backpacked? might you have backpacked? might they have backpacked?
V-ing perfect
might I have been backpacking? might you have been backpacking? might he have been backpacking? might we have been backpacking? might you have been backpacking? might they have been backpacking?
Interro-negative form
Simple form
mightn't I backpack? mightn't you backpack? mightn't he backpack? mightn't we backpack? mightn't you backpack? mightn't they backpack?
V-ing form
mightn't I be backpacking? mightn't you be backpacking? mightn't he be backpacking? mightn't we be backpacking? mightn't you be backpacking? mightn't they be backpacking?
Perfect
mightn't I have backpacked? mightn't you have backpacked? mightn't he have backpacked? mightn't we have backpacked? mightn't you have backpacked? mightn't they have backpacked?
V-ing perfect
mightn't I have been backpacking? mightn't you have been backpacking? mightn't he have been backpacking? mightn't we have been backpacking? mightn't you have been backpacking? mightn't they have been backpacking?