may crush
Regular verb: crush - crushed- crushed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may crush
you may crush
she may crush
we may crush
you may crush
they may crush 	I may be crushing
you may be crushing
she may be crushing
we may be crushing
you may be crushing
they may be crushing	I may have crushed
you may have crushed
she may have crushed
we may have crushed
you may have crushed
they may have crushed	I may have been crushing
you may have been crushing
she may have been crushing
we may have been crushing
you may have been crushing
they may have been crushing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't crush
you mayn't crush
she mayn't crush
we mayn't crush
you mayn't crush
they mayn't crush 	I mayn't be crushing
you mayn't be crushing
she mayn't be crushing
we mayn't be crushing
you mayn't be crushing
they mayn't be crushing	I mayn't have crushed
you mayn't have crushed
she mayn't have crushed
we mayn't have crushed
you mayn't have crushed
they mayn't have crushed	I mayn't have been crushing
you mayn't have been crushing
she mayn't have been crushing
we mayn't have been crushing
you mayn't have been crushing
they mayn't have been crushing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I crush?
may you crush?
may she crush?
may we crush?
may you crush?
may they crush? 	may I be crushing?
may you be crushing?
may she be crushing?
may we be crushing?
may you be crushing?
may they be crushing? 	may I have crushed?
may you have crushed?
may she have crushed?
may we have crushed?
may you have crushed?
may they have crushed? 	may I have been crushing?
may you have been crushing?
may she have been crushing?
may we have been crushing?
may you have been crushing?
may they have been crushing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I crush?
mayn't you crush?
mayn't she crush?
mayn't we crush?
mayn't you crush?
mayn't they crush? 	mayn't I be crushing?
mayn't you be crushing?
mayn't she be crushing?
mayn't we be crushing?
mayn't you be crushing?
mayn't they be crushing? 	mayn't I have crushed?
mayn't you have crushed?
mayn't she have crushed?
mayn't we have crushed?
mayn't you have crushed?
mayn't they have crushed? 	mayn't I have been crushing?
mayn't you have been crushing?
mayn't she have been crushing?
mayn't we have been crushing?
mayn't you have been crushing?
mayn't they have been crushing?