English verb conjugation
MAY WINDSURF

Regular verb: windsurf - windsurfed - windsurfed

Affirmation

Simple form	V-ing form
I may windsurf you may windsurf she may windsurf we may windsurf you may windsurf they may windsurf	I may be windsurfing you may be windsurfing she may be windsurfing we may be windsurfing you may be windsurfing they may be windsurfing
Perfect	V-ing perfect
I may have windsurfed you may have windsurfed she may have windsurfed we may have windsurfed you may have windsurfed they may have windsurfed	I may have been windsurfing you may have been windsurfing she may have been windsurfing we may have been windsurfing you may have been windsurfing they may have been windsurfing

Negation

Simple form	V-ing form
I mayn't windsurf you mayn't windsurf she mayn't windsurf we mayn't windsurf you mayn't windsurf they mayn't windsurf	I mayn't be windsurfing you mayn't be windsurfing she mayn't be windsurfing we mayn't be windsurfing you mayn't be windsurfing they mayn't be windsurfing
Perfect	V-ing perfect
I mayn't have windsurfed you mayn't have windsurfed she mayn't have windsurfed we mayn't have windsurfed you mayn't have windsurfed they mayn't have windsurfed	I mayn't have been windsurfing you mayn't have been windsurfing she mayn't have been windsurfing we mayn't have been windsurfing you mayn't have been windsurfing they mayn't have been windsurfing

Interrogative form

Simple form	V-ing form
may I windsurf? may you windsurf? may she windsurf? may we windsurf? may you windsurf? may they windsurf?	may I be windsurfing? may you be windsurfing? may she be windsurfing? may we be windsurfing? may you be windsurfing? may they be windsurfing?
Perfect	V-ing perfect
may I have windsurfed? may you have windsurfed? may she have windsurfed? may we have windsurfed? may you have windsurfed? may they have windsurfed?	may I have been windsurfing? may you have been windsurfing? may she have been windsurfing? may we have been windsurfing? may you have been windsurfing? may they have been windsurfing?

Interro-negative form

Simple form	V-ing form
mayn't I windsurf? mayn't you windsurf? mayn't she windsurf? mayn't we windsurf? mayn't you windsurf? mayn't they windsurf?	mayn't I be windsurfing? mayn't you be windsurfing? mayn't she be windsurfing? mayn't we be windsurfing? mayn't you be windsurfing? mayn't they be windsurfing?
Perfect	V-ing perfect
mayn't I have windsurfed? mayn't you have windsurfed? mayn't she have windsurfed? mayn't we have windsurfed? mayn't you have windsurfed? mayn't they have windsurfed?	mayn't I have been windsurfing? mayn't you have been windsurfing? mayn't she have been windsurfing? mayn't we have been windsurfing? mayn't you have been windsurfing? mayn't they have been windsurfing?