English verb conjugation
MAY TIER

Regular verb: tier - tiered - tiered

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?