I may jar you may jar he may jar we may jar you may jar they may jar
V-ing form
I may be jarring you may be jarring he may be jarring we may be jarring you may be jarring they may be jarring
Perfect
I may have jarred you may have jarred he may have jarred we may have jarred you may have jarred they may have jarred
V-ing perfect
I may have been jarring you may have been jarring he may have been jarring we may have been jarring you may have been jarring they may have been jarring
Negation
Simple form
I may not jar you may not jar he may not jar we may not jar you may not jar they may not jar
V-ing form
I may not be jarring you may not be jarring he may not be jarring we may not be jarring you may not be jarring they may not be jarring
Perfect
I may not have jarred you may not have jarred he may not have jarred we may not have jarred you may not have jarred they may not have jarred
V-ing perfect
I may not have been jarring you may not have been jarring he may not have been jarring we may not have been jarring you may not have been jarring they may not have been jarring
Interrogative form
Simple form
may I jar? may you jar? may he jar? may we jar? may you jar? may they jar?
V-ing form
may I be jarring? may you be jarring? may he be jarring? may we be jarring? may you be jarring? may they be jarring?
Perfect
may I have jarred? may you have jarred? may he have jarred? may we have jarred? may you have jarred? may they have jarred?
V-ing perfect
may I have been jarring? may you have been jarring? may he have been jarring? may we have been jarring? may you have been jarring? may they have been jarring?
Interro-negative form
Simple form
may I not jar? may you not jar? may he not jar? may we not jar? may you not jar? may they not jar?
V-ing form
may I not be jarring? may you not be jarring? may he not be jarring? may we not be jarring? may you not be jarring? may they not be jarring?
Perfect
may I not have jarred? may you not have jarred? may he not have jarred? may we not have jarred? may you not have jarred? may they not have jarred?
V-ing perfect
may I not have been jarring? may you not have been jarring? may he not have been jarring? may we not have been jarring? may you not have been jarring? may they not have been jarring?