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