may subtract
Verbo regular: subtract - subtracted- subtracted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may subtract
you may subtract
he may subtract
we may subtract
you may subtract
they may subtract 	I may be subtracting
you may be subtracting
he may be subtracting
we may be subtracting
you may be subtracting
they may be subtracting	I may have subtracted
you may have subtracted
he may have subtracted
we may have subtracted
you may have subtracted
they may have subtracted	I may have been subtracting
you may have been subtracting
he may have been subtracting
we may have been subtracting
you may have been subtracting
they may have been subtracting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't subtract
you mayn't subtract
he mayn't subtract
we mayn't subtract
you mayn't subtract
they mayn't subtract 	I mayn't be subtracting
you mayn't be subtracting
he mayn't be subtracting
we mayn't be subtracting
you mayn't be subtracting
they mayn't be subtracting	I mayn't have subtracted
you mayn't have subtracted
he mayn't have subtracted
we mayn't have subtracted
you mayn't have subtracted
they mayn't have subtracted	I mayn't have been subtracting
you mayn't have been subtracting
he mayn't have been subtracting
we mayn't have been subtracting
you mayn't have been subtracting
they mayn't have been subtracting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I subtract?
may you subtract?
may he subtract?
may we subtract?
may you subtract?
may they subtract? 	may I be subtracting?
may you be subtracting?
may he be subtracting?
may we be subtracting?
may you be subtracting?
may they be subtracting? 	may I have subtracted?
may you have subtracted?
may he have subtracted?
may we have subtracted?
may you have subtracted?
may they have subtracted? 	may I have been subtracting?
may you have been subtracting?
may he have been subtracting?
may we have been subtracting?
may you have been subtracting?
may they have been subtracting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I subtract?
mayn't you subtract?
mayn't he subtract?
mayn't we subtract?
mayn't you subtract?
mayn't they subtract? 	mayn't I be subtracting?
mayn't you be subtracting?
mayn't he be subtracting?
mayn't we be subtracting?
mayn't you be subtracting?
mayn't they be subtracting? 	mayn't I have subtracted?
mayn't you have subtracted?
mayn't he have subtracted?
mayn't we have subtracted?
mayn't you have subtracted?
mayn't they have subtracted? 	mayn't I have been subtracting?
mayn't you have been subtracting?
mayn't he have been subtracting?
mayn't we have been subtracting?
mayn't you have been subtracting?
mayn't they have been subtracting?