I may charter you may charter he may charter we may charter you may charter they may charter
V-ing form
I may be chartering you may be chartering he may be chartering we may be chartering you may be chartering they may be chartering
Perfect
I may have chartered you may have chartered he may have chartered we may have chartered you may have chartered they may have chartered
V-ing perfect
I may have been chartering you may have been chartering he may have been chartering we may have been chartering you may have been chartering they may have been chartering
Negation
Simple form
I may not charter you may not charter he may not charter we may not charter you may not charter they may not charter
V-ing form
I may not be chartering you may not be chartering he may not be chartering we may not be chartering you may not be chartering they may not be chartering
Perfect
I may not have chartered you may not have chartered he may not have chartered we may not have chartered you may not have chartered they may not have chartered
V-ing perfect
I may not have been chartering you may not have been chartering he may not have been chartering we may not have been chartering you may not have been chartering they may not have been chartering
Interrogative form
Simple form
may I charter? may you charter? may he charter? may we charter? may you charter? may they charter?
V-ing form
may I be chartering? may you be chartering? may he be chartering? may we be chartering? may you be chartering? may they be chartering?
Perfect
may I have chartered? may you have chartered? may he have chartered? may we have chartered? may you have chartered? may they have chartered?
V-ing perfect
may I have been chartering? may you have been chartering? may he have been chartering? may we have been chartering? may you have been chartering? may they have been chartering?
Interro-negative form
Simple form
may I not charter? may you not charter? may he not charter? may we not charter? may you not charter? may they not charter?
V-ing form
may I not be chartering? may you not be chartering? may he not be chartering? may we not be chartering? may you not be chartering? may they not be chartering?
Perfect
may I not have chartered? may you not have chartered? may he not have chartered? may we not have chartered? may you not have chartered? may they not have chartered?
V-ing perfect
may I not have been chartering? may you not have been chartering? may he not have been chartering? may we not have been chartering? may you not have been chartering? may they not have been chartering?