I may skin-dive you may skin-dive he may skin-dive we may skin-dive you may skin-dive they may skin-dive
V-ing form
I may be skin-diving you may be skin-diving he may be skin-diving we may be skin-diving you may be skin-diving they may be skin-diving
Perfect
I may have skin-dived you may have skin-dived he may have skin-dived we may have skin-dived you may have skin-dived they may have skin-dived
V-ing perfect
I may have been skin-diving you may have been skin-diving he may have been skin-diving we may have been skin-diving you may have been skin-diving they may have been skin-diving
Negation
Simple form
I may not skin-dive you may not skin-dive he may not skin-dive we may not skin-dive you may not skin-dive they may not skin-dive
V-ing form
I may not be skin-diving you may not be skin-diving he may not be skin-diving we may not be skin-diving you may not be skin-diving they may not be skin-diving
Perfect
I may not have skin-dived you may not have skin-dived he may not have skin-dived we may not have skin-dived you may not have skin-dived they may not have skin-dived
V-ing perfect
I may not have been skin-diving you may not have been skin-diving he may not have been skin-diving we may not have been skin-diving you may not have been skin-diving they may not have been skin-diving
Interrogative form
Simple form
may I skin-dive? may you skin-dive? may he skin-dive? may we skin-dive? may you skin-dive? may they skin-dive?
V-ing form
may I be skin-diving? may you be skin-diving? may he be skin-diving? may we be skin-diving? may you be skin-diving? may they be skin-diving?
Perfect
may I have skin-dived? may you have skin-dived? may he have skin-dived? may we have skin-dived? may you have skin-dived? may they have skin-dived?
V-ing perfect
may I have been skin-diving? may you have been skin-diving? may he have been skin-diving? may we have been skin-diving? may you have been skin-diving? may they have been skin-diving?
Interro-negative form
Simple form
may I not skin-dive? may you not skin-dive? may he not skin-dive? may we not skin-dive? may you not skin-dive? may they not skin-dive?
V-ing form
may I not be skin-diving? may you not be skin-diving? may he not be skin-diving? may we not be skin-diving? may you not be skin-diving? may they not be skin-diving?
Perfect
may I not have skin-dived? may you not have skin-dived? may he not have skin-dived? may we not have skin-dived? may you not have skin-dived? may they not have skin-dived?
V-ing perfect
may I not have been skin-diving? may you not have been skin-diving? may he not have been skin-diving? may we not have been skin-diving? may you not have been skin-diving? may they not have been skin-diving?