English verb conjugation
MAY LAUNCH

Regular verb: launch - launched - launched

Affirmation

Simple form	V-ing form
I may launch you may launch he may launch we may launch you may launch they may launch	I may be launching you may be launching he may be launching we may be launching you may be launching they may be launching
Perfect	V-ing perfect
I may have launched you may have launched he may have launched we may have launched you may have launched they may have launched	I may have been launching you may have been launching he may have been launching we may have been launching you may have been launching they may have been launching

Negation

Simple form	V-ing form
I mayn't launch you mayn't launch he mayn't launch we mayn't launch you mayn't launch they mayn't launch	I mayn't be launching you mayn't be launching he mayn't be launching we mayn't be launching you mayn't be launching they mayn't be launching
Perfect	V-ing perfect
I mayn't have launched you mayn't have launched he mayn't have launched we mayn't have launched you mayn't have launched they mayn't have launched	I mayn't have been launching you mayn't have been launching he mayn't have been launching we mayn't have been launching you mayn't have been launching they mayn't have been launching

Interrogative form

Simple form	V-ing form
may I launch? may you launch? may he launch? may we launch? may you launch? may they launch?	may I be launching? may you be launching? may he be launching? may we be launching? may you be launching? may they be launching?
Perfect	V-ing perfect
may I have launched? may you have launched? may he have launched? may we have launched? may you have launched? may they have launched?	may I have been launching? may you have been launching? may he have been launching? may we have been launching? may you have been launching? may they have been launching?

Interro-negative form

Simple form	V-ing form
mayn't I launch? mayn't you launch? mayn't he launch? mayn't we launch? mayn't you launch? mayn't they launch?	mayn't I be launching? mayn't you be launching? mayn't he be launching? mayn't we be launching? mayn't you be launching? mayn't they be launching?
Perfect	V-ing perfect
mayn't I have launched? mayn't you have launched? mayn't he have launched? mayn't we have launched? mayn't you have launched? mayn't they have launched?	mayn't I have been launching? mayn't you have been launching? mayn't he have been launching? mayn't we have been launching? mayn't you have been launching? mayn't they have been launching?