may crush
Regular verb: crush - crushed- crushed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may crush
you may crush
he may crush
we may crush
you may crush
they may crush 	I may be crushing
you may be crushing
he may be crushing
we may be crushing
you may be crushing
they may be crushing	I may have crushed
you may have crushed
he 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
he 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
he 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
he 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
he 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
he 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 he crush?
may we crush?
may you crush?
may they crush? 	may I be crushing?
may you be crushing?
may he be crushing?
may we be crushing?
may you be crushing?
may they be crushing? 	may I have crushed?
may you have crushed?
may he 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 he 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 he 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 he 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 he 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 he have been crushing?
mayn't we have been crushing?
mayn't you have been crushing?
mayn't they have been crushing?