may execute
Verbo regular: execute - executed- executed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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?