I might build you might build she might build we might build you might build they might build
V-ing form
I might be building you might be building she might be building we might be building you might be building they might be building
Perfect
I might have built you might have built she might have built we might have built you might have built they might have built
V-ing perfect
I might have been building you might have been building she might have been building we might have been building you might have been building they might have been building
Negation
Simple form
I mightn't build you mightn't build she mightn't build we mightn't build you mightn't build they mightn't build
V-ing form
I mightn't be building you mightn't be building she mightn't be building we mightn't be building you mightn't be building they mightn't be building
Perfect
I mightn't have built you mightn't have built she mightn't have built we mightn't have built you mightn't have built they mightn't have built
V-ing perfect
I mightn't have been building you mightn't have been building she mightn't have been building we mightn't have been building you mightn't have been building they mightn't have been building
Interrogative form
Simple form
might I build? might you build? might she build? might we build? might you build? might they build?
V-ing form
might I be building? might you be building? might she be building? might we be building? might you be building? might they be building?
Perfect
might I have built? might you have built? might she have built? might we have built? might you have built? might they have built?
V-ing perfect
might I have been building? might you have been building? might she have been building? might we have been building? might you have been building? might they have been building?
Interro-negative form
Simple form
mightn't I build? mightn't you build? mightn't she build? mightn't we build? mightn't you build? mightn't they build?
V-ing form
mightn't I be building? mightn't you be building? mightn't she be building? mightn't we be building? mightn't you be building? mightn't they be building?
Perfect
mightn't I have built? mightn't you have built? mightn't she have built? mightn't we have built? mightn't you have built? mightn't they have built?
V-ing perfect
mightn't I have been building? mightn't you have been building? mightn't she have been building? mightn't we have been building? mightn't you have been building? mightn't they have been building?