may mastermind
Verbo regular: mastermind - masterminded- masterminded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may mastermind
you may mastermind
he may mastermind
we may mastermind
you may mastermind
they may mastermind 	I may be masterminding
you may be masterminding
he may be masterminding
we may be masterminding
you may be masterminding
they may be masterminding	I may have masterminded
you may have masterminded
he may have masterminded
we may have masterminded
you may have masterminded
they may have masterminded	I may have been masterminding
you may have been masterminding
he may have been masterminding
we may have been masterminding
you may have been masterminding
they may have been masterminding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't mastermind
you mayn't mastermind
he mayn't mastermind
we mayn't mastermind
you mayn't mastermind
they mayn't mastermind 	I mayn't be masterminding
you mayn't be masterminding
he mayn't be masterminding
we mayn't be masterminding
you mayn't be masterminding
they mayn't be masterminding	I mayn't have masterminded
you mayn't have masterminded
he mayn't have masterminded
we mayn't have masterminded
you mayn't have masterminded
they mayn't have masterminded	I mayn't have been masterminding
you mayn't have been masterminding
he mayn't have been masterminding
we mayn't have been masterminding
you mayn't have been masterminding
they mayn't have been masterminding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I mastermind?
may you mastermind?
may he mastermind?
may we mastermind?
may you mastermind?
may they mastermind? 	may I be masterminding?
may you be masterminding?
may he be masterminding?
may we be masterminding?
may you be masterminding?
may they be masterminding? 	may I have masterminded?
may you have masterminded?
may he have masterminded?
may we have masterminded?
may you have masterminded?
may they have masterminded? 	may I have been masterminding?
may you have been masterminding?
may he have been masterminding?
may we have been masterminding?
may you have been masterminding?
may they have been masterminding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I mastermind?
mayn't you mastermind?
mayn't he mastermind?
mayn't we mastermind?
mayn't you mastermind?
mayn't they mastermind? 	mayn't I be masterminding?
mayn't you be masterminding?
mayn't he be masterminding?
mayn't we be masterminding?
mayn't you be masterminding?
mayn't they be masterminding? 	mayn't I have masterminded?
mayn't you have masterminded?
mayn't he have masterminded?
mayn't we have masterminded?
mayn't you have masterminded?
mayn't they have masterminded? 	mayn't I have been masterminding?
mayn't you have been masterminding?
mayn't he have been masterminding?
mayn't we have been masterminding?
mayn't you have been masterminding?
mayn't they have been masterminding?