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