may gatecrash
Regular verb: gatecrash - gatecrashed- gatecrashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may gatecrash
you may gatecrash
he may gatecrash
we may gatecrash
you may gatecrash
they may gatecrash 	I may be gatecrashing
you may be gatecrashing
he may be gatecrashing
we may be gatecrashing
you may be gatecrashing
they may be gatecrashing	I may have gatecrashed
you may have gatecrashed
he may have gatecrashed
we may have gatecrashed
you may have gatecrashed
they may have gatecrashed	I may have been gatecrashing
you may have been gatecrashing
he may have been gatecrashing
we may have been gatecrashing
you may have been gatecrashing
they may have been gatecrashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't gatecrash
you mayn't gatecrash
he mayn't gatecrash
we mayn't gatecrash
you mayn't gatecrash
they mayn't gatecrash 	I mayn't be gatecrashing
you mayn't be gatecrashing
he mayn't be gatecrashing
we mayn't be gatecrashing
you mayn't be gatecrashing
they mayn't be gatecrashing	I mayn't have gatecrashed
you mayn't have gatecrashed
he mayn't have gatecrashed
we mayn't have gatecrashed
you mayn't have gatecrashed
they mayn't have gatecrashed	I mayn't have been gatecrashing
you mayn't have been gatecrashing
he mayn't have been gatecrashing
we mayn't have been gatecrashing
you mayn't have been gatecrashing
they mayn't have been gatecrashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I gatecrash?
may you gatecrash?
may he gatecrash?
may we gatecrash?
may you gatecrash?
may they gatecrash? 	may I be gatecrashing?
may you be gatecrashing?
may he be gatecrashing?
may we be gatecrashing?
may you be gatecrashing?
may they be gatecrashing? 	may I have gatecrashed?
may you have gatecrashed?
may he have gatecrashed?
may we have gatecrashed?
may you have gatecrashed?
may they have gatecrashed? 	may I have been gatecrashing?
may you have been gatecrashing?
may he have been gatecrashing?
may we have been gatecrashing?
may you have been gatecrashing?
may they have been gatecrashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I gatecrash?
mayn't you gatecrash?
mayn't he gatecrash?
mayn't we gatecrash?
mayn't you gatecrash?
mayn't they gatecrash? 	mayn't I be gatecrashing?
mayn't you be gatecrashing?
mayn't he be gatecrashing?
mayn't we be gatecrashing?
mayn't you be gatecrashing?
mayn't they be gatecrashing? 	mayn't I have gatecrashed?
mayn't you have gatecrashed?
mayn't he have gatecrashed?
mayn't we have gatecrashed?
mayn't you have gatecrashed?
mayn't they have gatecrashed? 	mayn't I have been gatecrashing?
mayn't you have been gatecrashing?
mayn't he have been gatecrashing?
mayn't we have been gatecrashing?
mayn't you have been gatecrashing?
mayn't they have been gatecrashing?