may taxi
Regular verb: taxi - taxied- taxied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may taxi
you may taxi
he may taxi
we may taxi
you may taxi
they may taxi 	I may be taxiing
you may be taxiing
he may be taxiing
we may be taxiing
you may be taxiing
they may be taxiing	I may have taxied
you may have taxied
he may have taxied
we may have taxied
you may have taxied
they may have taxied	I may have been taxiing
you may have been taxiing
he may have been taxiing
we may have been taxiing
you may have been taxiing
they may have been taxiing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't taxi
you mayn't taxi
he mayn't taxi
we mayn't taxi
you mayn't taxi
they mayn't taxi 	I mayn't be taxiing
you mayn't be taxiing
he mayn't be taxiing
we mayn't be taxiing
you mayn't be taxiing
they mayn't be taxiing	I mayn't have taxied
you mayn't have taxied
he mayn't have taxied
we mayn't have taxied
you mayn't have taxied
they mayn't have taxied	I mayn't have been taxiing
you mayn't have been taxiing
he mayn't have been taxiing
we mayn't have been taxiing
you mayn't have been taxiing
they mayn't have been taxiing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I taxi?
may you taxi?
may he taxi?
may we taxi?
may you taxi?
may they taxi? 	may I be taxiing?
may you be taxiing?
may he be taxiing?
may we be taxiing?
may you be taxiing?
may they be taxiing? 	may I have taxied?
may you have taxied?
may he have taxied?
may we have taxied?
may you have taxied?
may they have taxied? 	may I have been taxiing?
may you have been taxiing?
may he have been taxiing?
may we have been taxiing?
may you have been taxiing?
may they have been taxiing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I taxi?
mayn't you taxi?
mayn't he taxi?
mayn't we taxi?
mayn't you taxi?
mayn't they taxi? 	mayn't I be taxiing?
mayn't you be taxiing?
mayn't he be taxiing?
mayn't we be taxiing?
mayn't you be taxiing?
mayn't they be taxiing? 	mayn't I have taxied?
mayn't you have taxied?
mayn't he have taxied?
mayn't we have taxied?
mayn't you have taxied?
mayn't they have taxied? 	mayn't I have been taxiing?
mayn't you have been taxiing?
mayn't he have been taxiing?
mayn't we have been taxiing?
mayn't you have been taxiing?
mayn't they have been taxiing?