English verb conjugation
MAY EXECUTE

Regular verb: execute - executed - executed

Affirmation

Simple form	V-ing form
I may execute you may execute he may execute we may execute you may execute they may execute	I may be executing you may be executing he may be executing we may be executing you may be executing they may be executing
Perfect	V-ing perfect
I may have executed you may have executed he may have executed we may have executed you may have executed they may have executed	I may have been executing you may have been executing he may have been executing we may have been executing you may have been executing they may have been executing

Negation

Simple form	V-ing form
I mayn't execute you mayn't execute he mayn't execute we mayn't execute you mayn't execute they mayn't execute	I mayn't be executing you mayn't be executing he mayn't be executing we mayn't be executing you mayn't be executing they mayn't be executing
Perfect	V-ing perfect
I mayn't have executed you mayn't have executed he mayn't have executed we mayn't have executed you mayn't have executed they mayn't have executed	I mayn't have been executing you mayn't have been executing he mayn't have been executing we mayn't have been executing you mayn't have been executing they mayn't have been executing

Interrogative form

Simple form	V-ing form
may I execute? may you execute? may he execute? may we execute? may you execute? may they execute?	may I be executing? may you be executing? may he be executing? may we be executing? may you be executing? may they be executing?
Perfect	V-ing perfect
may I have executed? may you have executed? may he have executed? may we have executed? may you have executed? may they have executed?	may I have been executing? may you have been executing? may he have been executing? may we have been executing? may you have been executing? may they have been executing?

Interro-negative form

Simple form	V-ing form
mayn't I execute? mayn't you execute? mayn't he execute? mayn't we execute? mayn't you execute? mayn't they execute?	mayn't I be executing? mayn't you be executing? mayn't he be executing? mayn't we be executing? mayn't you be executing? mayn't they be executing?
Perfect	V-ing perfect
mayn't I have executed? mayn't you have executed? mayn't he have executed? mayn't we have executed? mayn't you have executed? mayn't they have executed?	mayn't I have been executing? mayn't you have been executing? mayn't he have been executing? mayn't we have been executing? mayn't you have been executing? mayn't they have been executing?