English verb conjugation
MAY ROLLER-SKATE

Regular verb: roller-skate - roller-skated - roller-skated

Affirmation

Simple form	V-ing form
I may roller-skate you may roller-skate he may roller-skate we may roller-skate you may roller-skate they may roller-skate	I may be roller-skating you may be roller-skating he may be roller-skating we may be roller-skating you may be roller-skating they may be roller-skating
Perfect	V-ing perfect
I may have roller-skated you may have roller-skated he may have roller-skated we may have roller-skated you may have roller-skated they may have roller-skated	I may have been roller-skating you may have been roller-skating he may have been roller-skating we may have been roller-skating you may have been roller-skating they may have been roller-skating

Negation

Simple form	V-ing form
I mayn't roller-skate you mayn't roller-skate he mayn't roller-skate we mayn't roller-skate you mayn't roller-skate they mayn't roller-skate	I mayn't be roller-skating you mayn't be roller-skating he mayn't be roller-skating we mayn't be roller-skating you mayn't be roller-skating they mayn't be roller-skating
Perfect	V-ing perfect
I mayn't have roller-skated you mayn't have roller-skated he mayn't have roller-skated we mayn't have roller-skated you mayn't have roller-skated they mayn't have roller-skated	I mayn't have been roller-skating you mayn't have been roller-skating he mayn't have been roller-skating we mayn't have been roller-skating you mayn't have been roller-skating they mayn't have been roller-skating

Interrogative form

Simple form	V-ing form
may I roller-skate? may you roller-skate? may he roller-skate? may we roller-skate? may you roller-skate? may they roller-skate?	may I be roller-skating? may you be roller-skating? may he be roller-skating? may we be roller-skating? may you be roller-skating? may they be roller-skating?
Perfect	V-ing perfect
may I have roller-skated? may you have roller-skated? may he have roller-skated? may we have roller-skated? may you have roller-skated? may they have roller-skated?	may I have been roller-skating? may you have been roller-skating? may he have been roller-skating? may we have been roller-skating? may you have been roller-skating? may they have been roller-skating?

Interro-negative form

Simple form	V-ing form
mayn't I roller-skate? mayn't you roller-skate? mayn't he roller-skate? mayn't we roller-skate? mayn't you roller-skate? mayn't they roller-skate?	mayn't I be roller-skating? mayn't you be roller-skating? mayn't he be roller-skating? mayn't we be roller-skating? mayn't you be roller-skating? mayn't they be roller-skating?
Perfect	V-ing perfect
mayn't I have roller-skated? mayn't you have roller-skated? mayn't he have roller-skated? mayn't we have roller-skated? mayn't you have roller-skated? mayn't they have roller-skated?	mayn't I have been roller-skating? mayn't you have been roller-skating? mayn't he have been roller-skating? mayn't we have been roller-skating? mayn't you have been roller-skating? mayn't they have been roller-skating?