may bolster
Verbo regular: bolster - bolstered- bolstered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may bolster
you may bolster
he may bolster
we may bolster
you may bolster
they may bolster 	I may be bolstering
you may be bolstering
he may be bolstering
we may be bolstering
you may be bolstering
they may be bolstering	I may have bolstered
you may have bolstered
he may have bolstered
we may have bolstered
you may have bolstered
they may have bolstered	I may have been bolstering
you may have been bolstering
he may have been bolstering
we may have been bolstering
you may have been bolstering
they may have been bolstering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not bolster
you may not bolster
he may not bolster
we may not bolster
you may not bolster
they may not bolster 	I may not be bolstering
you may not be bolstering
he may not be bolstering
we may not be bolstering
you may not be bolstering
they may not be bolstering	I may not have bolstered
you may not have bolstered
he may not have bolstered
we may not have bolstered
you may not have bolstered
they may not have bolstered	I may not have been bolstering
you may not have been bolstering
he may not have been bolstering
we may not have been bolstering
you may not have been bolstering
they may not have been bolstering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I bolster?
may you bolster?
may he bolster?
may we bolster?
may you bolster?
may they bolster? 	may I be bolstering?
may you be bolstering?
may he be bolstering?
may we be bolstering?
may you be bolstering?
may they be bolstering? 	may I have bolstered?
may you have bolstered?
may he have bolstered?
may we have bolstered?
may you have bolstered?
may they have bolstered? 	may I have been bolstering?
may you have been bolstering?
may he have been bolstering?
may we have been bolstering?
may you have been bolstering?
may they have been bolstering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not bolster?
may you not bolster?
may he not bolster?
may we not bolster?
may you not bolster?
may they not bolster? 	may I not be bolstering?
may you not be bolstering?
may he not be bolstering?
may we not be bolstering?
may you not be bolstering?
may they not be bolstering? 	may I not have bolstered?
may you not have bolstered?
may he not have bolstered?
may we not have bolstered?
may you not have bolstered?
may they not have bolstered? 	may I not have been bolstering?
may you not have been bolstering?
may he not have been bolstering?
may we not have been bolstering?
may you not have been bolstering?
may they not have been bolstering?