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 may not tier you may not tier he may not tier we may not tier you may not tier they may not tier	I may not be tiering you may not be tiering he may not be tiering we may not be tiering you may not be tiering they may not be tiering
Perfect	V-ing perfect
I may not have tiered you may not have tiered he may not have tiered we may not have tiered you may not have tiered they may not have tiered	I may not have been tiering you may not have been tiering he may not have been tiering we may not have been tiering you may not have been tiering they may not 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
may I not tier? may you not tier? may he not tier? may we not tier? may you not tier? may they not tier?	may I not be tiering? may you not be tiering? may he not be tiering? may we not be tiering? may you not be tiering? may they not be tiering?
Perfect	V-ing perfect
may I not have tiered? may you not have tiered? may he not have tiered? may we not have tiered? may you not have tiered? may they not have tiered?	may I not have been tiering? may you not have been tiering? may he not have been tiering? may we not have been tiering? may you not have been tiering? may they not have been tiering?