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