may boost
Regular verb: boost - boosted- boosted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may boost
you may boost
she may boost
we may boost
you may boost
they may boost 	I may be boosting
you may be boosting
she may be boosting
we may be boosting
you may be boosting
they may be boosting	I may have boosted
you may have boosted
she may have boosted
we may have boosted
you may have boosted
they may have boosted	I may have been boosting
you may have been boosting
she may have been boosting
we may have been boosting
you may have been boosting
they may have been boosting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't boost
you mayn't boost
she mayn't boost
we mayn't boost
you mayn't boost
they mayn't boost 	I mayn't be boosting
you mayn't be boosting
she mayn't be boosting
we mayn't be boosting
you mayn't be boosting
they mayn't be boosting	I mayn't have boosted
you mayn't have boosted
she mayn't have boosted
we mayn't have boosted
you mayn't have boosted
they mayn't have boosted	I mayn't have been boosting
you mayn't have been boosting
she mayn't have been boosting
we mayn't have been boosting
you mayn't have been boosting
they mayn't have been boosting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I boost?
may you boost?
may she boost?
may we boost?
may you boost?
may they boost? 	may I be boosting?
may you be boosting?
may she be boosting?
may we be boosting?
may you be boosting?
may they be boosting? 	may I have boosted?
may you have boosted?
may she have boosted?
may we have boosted?
may you have boosted?
may they have boosted? 	may I have been boosting?
may you have been boosting?
may she have been boosting?
may we have been boosting?
may you have been boosting?
may they have been boosting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I boost?
mayn't you boost?
mayn't she boost?
mayn't we boost?
mayn't you boost?
mayn't they boost? 	mayn't I be boosting?
mayn't you be boosting?
mayn't she be boosting?
mayn't we be boosting?
mayn't you be boosting?
mayn't they be boosting? 	mayn't I have boosted?
mayn't you have boosted?
mayn't she have boosted?
mayn't we have boosted?
mayn't you have boosted?
mayn't they have boosted? 	mayn't I have been boosting?
mayn't you have been boosting?
mayn't she have been boosting?
mayn't we have been boosting?
mayn't you have been boosting?
mayn't they have been boosting?