I may execute you may execute she may execute we may execute you may execute they may execute
V-ing form
I may be executing you may be executing she may be executing we may be executing you may be executing they may be executing
Perfect
I may have executed you may have executed she may have executed we may have executed you may have executed they may have executed
V-ing perfect
I may have been executing you may have been executing she may have been executing we may have been executing you may have been executing they may have been executing
Negation
Simple form
I may not execute you may not execute she may not execute we may not execute you may not execute they may not execute
V-ing form
I may not be executing you may not be executing she may not be executing we may not be executing you may not be executing they may not be executing
Perfect
I may not have executed you may not have executed she may not have executed we may not have executed you may not have executed they may not have executed
V-ing perfect
I may not have been executing you may not have been executing she may not have been executing we may not have been executing you may not have been executing they may not have been executing
Interrogative form
Simple form
may I execute? may you execute? may she execute? may we execute? may you execute? may they execute?
V-ing form
may I be executing? may you be executing? may she be executing? may we be executing? may you be executing? may they be executing?
Perfect
may I have executed? may you have executed? may she have executed? may we have executed? may you have executed? may they have executed?
V-ing perfect
may I have been executing? may you have been executing? may she have been executing? may we have been executing? may you have been executing? may they have been executing?
Interro-negative form
Simple form
may I not execute? may you not execute? may she not execute? may we not execute? may you not execute? may they not execute?
V-ing form
may I not be executing? may you not be executing? may she not be executing? may we not be executing? may you not be executing? may they not be executing?
Perfect
may I not have executed? may you not have executed? may she not have executed? may we not have executed? may you not have executed? may they not have executed?
V-ing perfect
may I not have been executing? may you not have been executing? may she not have been executing? may we not have been executing? may you not have been executing? may they not have been executing?