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