I may skate you may skate she may skate we may skate you may skate they may skate
V-ing form
I may be skating you may be skating she may be skating we may be skating you may be skating they may be skating
Perfect
I may have skated you may have skated she may have skated we may have skated you may have skated they may have skated
V-ing perfect
I may have been skating you may have been skating she may have been skating we may have been skating you may have been skating they may have been skating
Negation
Simple form
I may not skate you may not skate she may not skate we may not skate you may not skate they may not skate
V-ing form
I may not be skating you may not be skating she may not be skating we may not be skating you may not be skating they may not be skating
Perfect
I may not have skated you may not have skated she may not have skated we may not have skated you may not have skated they may not have skated
V-ing perfect
I may not have been skating you may not have been skating she may not have been skating we may not have been skating you may not have been skating they may not have been skating
Interrogative form
Simple form
may I skate? may you skate? may she skate? may we skate? may you skate? may they skate?
V-ing form
may I be skating? may you be skating? may she be skating? may we be skating? may you be skating? may they be skating?
Perfect
may I have skated? may you have skated? may she have skated? may we have skated? may you have skated? may they have skated?
V-ing perfect
may I have been skating? may you have been skating? may she have been skating? may we have been skating? may you have been skating? may they have been skating?
Interro-negative form
Simple form
may I not skate? may you not skate? may she not skate? may we not skate? may you not skate? may they not skate?
V-ing form
may I not be skating? may you not be skating? may she not be skating? may we not be skating? may you not be skating? may they not be skating?
Perfect
may I not have skated? may you not have skated? may she not have skated? may we not have skated? may you not have skated? may they not have skated?
V-ing perfect
may I not have been skating? may you not have been skating? may she not have been skating? may we not have been skating? may you not have been skating? may they not have been skating?