may tier
Regular verb: tier - tiered- tiered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may tier
you may tier
he may tier
we may tier
you may tier
they may tier 	I may be tiering
you may be tiering
he may be tiering
we may be tiering
you may be tiering
they may be tiering	I may have tiered
you may have tiered
he may have tiered
we may have tiered
you may have tiered
they may have tiered	I may have been tiering
you may have been tiering
he may have been tiering
we may have been tiering
you may have been tiering
they may have been tiering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't tier
you mayn't tier
he mayn't tier
we mayn't tier
you mayn't tier
they mayn't tier 	I mayn't be tiering
you mayn't be tiering
he mayn't be tiering
we mayn't be tiering
you mayn't be tiering
they mayn't be tiering	I mayn't have tiered
you mayn't have tiered
he mayn't have tiered
we mayn't have tiered
you mayn't have tiered
they mayn't have tiered	I mayn't have been tiering
you mayn't have been tiering
he mayn't have been tiering
we mayn't have been tiering
you mayn't have been tiering
they mayn't have been tiering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I tier?
may you tier?
may he tier?
may we tier?
may you tier?
may they tier? 	may I be tiering?
may you be tiering?
may he be tiering?
may we be tiering?
may you be tiering?
may they be tiering? 	may I have tiered?
may you have tiered?
may he have tiered?
may we have tiered?
may you have tiered?
may they have tiered? 	may I have been tiering?
may you have been tiering?
may he have been tiering?
may we have been tiering?
may you have been tiering?
may they have been tiering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I tier?
mayn't you tier?
mayn't he tier?
mayn't we tier?
mayn't you tier?
mayn't they tier? 	mayn't I be tiering?
mayn't you be tiering?
mayn't he be tiering?
mayn't we be tiering?
mayn't you be tiering?
mayn't they be tiering? 	mayn't I have tiered?
mayn't you have tiered?
mayn't he have tiered?
mayn't we have tiered?
mayn't you have tiered?
mayn't they have tiered? 	mayn't I have been tiering?
mayn't you have been tiering?
mayn't he have been tiering?
mayn't we have been tiering?
mayn't you have been tiering?
mayn't they have been tiering?