may retain
Verbo regular: retain - retained- retained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may retain
you may retain
he may retain
we may retain
you may retain
they may retain 	I may be retaining
you may be retaining
he may be retaining
we may be retaining
you may be retaining
they may be retaining	I may have retained
you may have retained
he may have retained
we may have retained
you may have retained
they may have retained	I may have been retaining
you may have been retaining
he may have been retaining
we may have been retaining
you may have been retaining
they may have been retaining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not retain
you may not retain
he may not retain
we may not retain
you may not retain
they may not retain 	I may not be retaining
you may not be retaining
he may not be retaining
we may not be retaining
you may not be retaining
they may not be retaining	I may not have retained
you may not have retained
he may not have retained
we may not have retained
you may not have retained
they may not have retained	I may not have been retaining
you may not have been retaining
he may not have been retaining
we may not have been retaining
you may not have been retaining
they may not have been retaining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I retain?
may you retain?
may he retain?
may we retain?
may you retain?
may they retain? 	may I be retaining?
may you be retaining?
may he be retaining?
may we be retaining?
may you be retaining?
may they be retaining? 	may I have retained?
may you have retained?
may he have retained?
may we have retained?
may you have retained?
may they have retained? 	may I have been retaining?
may you have been retaining?
may he have been retaining?
may we have been retaining?
may you have been retaining?
may they have been retaining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not retain?
may you not retain?
may he not retain?
may we not retain?
may you not retain?
may they not retain? 	may I not be retaining?
may you not be retaining?
may he not be retaining?
may we not be retaining?
may you not be retaining?
may they not be retaining? 	may I not have retained?
may you not have retained?
may he not have retained?
may we not have retained?
may you not have retained?
may they not have retained? 	may I not have been retaining?
may you not have been retaining?
may he not have been retaining?
may we not have been retaining?
may you not have been retaining?
may they not have been retaining?