may bolster
Regular verb: bolster - bolstered- bolstered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may bolster
you may bolster
she may bolster
we may bolster
you may bolster
they may bolster 	I may be bolstering
you may be bolstering
she may be bolstering
we may be bolstering
you may be bolstering
they may be bolstering	I may have bolstered
you may have bolstered
she 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
she may have been bolstering
we may have been bolstering
you may have been bolstering
they may have been bolstering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not bolster
you may not bolster
she 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
she 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
she 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
she may not have been bolstering
we may not have been bolstering
you may not have been bolstering
they may not have been bolstering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I bolster?
may you bolster?
may she bolster?
may we bolster?
may you bolster?
may they bolster? 	may I be bolstering?
may you be bolstering?
may she be bolstering?
may we be bolstering?
may you be bolstering?
may they be bolstering? 	may I have bolstered?
may you have bolstered?
may she 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 she have been bolstering?
may we have been bolstering?
may you have been bolstering?
may they have been bolstering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not bolster?
may you not bolster?
may she 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 she 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 she 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 she not have been bolstering?
may we not have been bolstering?
may you not have been bolstering?
may they not have been bolstering?