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