may retract
Verbo regular: retract - retracted- retracted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may retract
you may retract
he may retract
we may retract
you may retract
they may retract 	I may be retracting
you may be retracting
he may be retracting
we may be retracting
you may be retracting
they may be retracting	I may have retracted
you may have retracted
he may have retracted
we may have retracted
you may have retracted
they may have retracted	I may have been retracting
you may have been retracting
he may have been retracting
we may have been retracting
you may have been retracting
they may have been retracting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't retract
you mayn't retract
he mayn't retract
we mayn't retract
you mayn't retract
they mayn't retract 	I mayn't be retracting
you mayn't be retracting
he mayn't be retracting
we mayn't be retracting
you mayn't be retracting
they mayn't be retracting	I mayn't have retracted
you mayn't have retracted
he mayn't have retracted
we mayn't have retracted
you mayn't have retracted
they mayn't have retracted	I mayn't have been retracting
you mayn't have been retracting
he mayn't have been retracting
we mayn't have been retracting
you mayn't have been retracting
they mayn't have been retracting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I retract?
may you retract?
may he retract?
may we retract?
may you retract?
may they retract? 	may I be retracting?
may you be retracting?
may he be retracting?
may we be retracting?
may you be retracting?
may they be retracting? 	may I have retracted?
may you have retracted?
may he have retracted?
may we have retracted?
may you have retracted?
may they have retracted? 	may I have been retracting?
may you have been retracting?
may he have been retracting?
may we have been retracting?
may you have been retracting?
may they have been retracting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I retract?
mayn't you retract?
mayn't he retract?
mayn't we retract?
mayn't you retract?
mayn't they retract? 	mayn't I be retracting?
mayn't you be retracting?
mayn't he be retracting?
mayn't we be retracting?
mayn't you be retracting?
mayn't they be retracting? 	mayn't I have retracted?
mayn't you have retracted?
mayn't he have retracted?
mayn't we have retracted?
mayn't you have retracted?
mayn't they have retracted? 	mayn't I have been retracting?
mayn't you have been retracting?
mayn't he have been retracting?
mayn't we have been retracting?
mayn't you have been retracting?
mayn't they have been retracting?