I might perdure you might perdure he might perdure we might perdure you might perdure they might perdure
V-ing form
I might be perduring you might be perduring he might be perduring we might be perduring you might be perduring they might be perduring
Perfect
I might have perdured you might have perdured he might have perdured we might have perdured you might have perdured they might have perdured
V-ing perfect
I might have been perduring you might have been perduring he might have been perduring we might have been perduring you might have been perduring they might have been perduring
Negation
Simple form
I might not perdure you might not perdure he might not perdure we might not perdure you might not perdure they might not perdure
V-ing form
I might not be perduring you might not be perduring he might not be perduring we might not be perduring you might not be perduring they might not be perduring
Perfect
I might not have perdured you might not have perdured he might not have perdured we might not have perdured you might not have perdured they might not have perdured
V-ing perfect
I might not have been perduring you might not have been perduring he might not have been perduring we might not have been perduring you might not have been perduring they might not have been perduring
Interrogative form
Simple form
might I perdure? might you perdure? might he perdure? might we perdure? might you perdure? might they perdure?
V-ing form
might I be perduring? might you be perduring? might he be perduring? might we be perduring? might you be perduring? might they be perduring?
Perfect
might I have perdured? might you have perdured? might he have perdured? might we have perdured? might you have perdured? might they have perdured?
V-ing perfect
might I have been perduring? might you have been perduring? might he have been perduring? might we have been perduring? might you have been perduring? might they have been perduring?
Interro-negative form
Simple form
might I not perdure? might you not perdure? might he not perdure? might we not perdure? might you not perdure? might they not perdure?
V-ing form
might I not be perduring? might you not be perduring? might he not be perduring? might we not be perduring? might you not be perduring? might they not be perduring?
Perfect
might I not have perdured? might you not have perdured? might he not have perdured? might we not have perdured? might you not have perdured? might they not have perdured?
V-ing perfect
might I not have been perduring? might you not have been perduring? might he not have been perduring? might we not have been perduring? might you not have been perduring? might they not have been perduring?