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