may plateau
Regular verb: plateau - plateaued- plateaued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may plateau
you may plateau
she may plateau
we may plateau
you may plateau
they may plateau 	I may be plateauing
you may be plateauing
she may be plateauing
we may be plateauing
you may be plateauing
they may be plateauing	I may have plateaued
you may have plateaued
she may have plateaued
we may have plateaued
you may have plateaued
they may have plateaued	I may have been plateauing
you may have been plateauing
she may have been plateauing
we may have been plateauing
you may have been plateauing
they may have been plateauing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't plateau
you mayn't plateau
she mayn't plateau
we mayn't plateau
you mayn't plateau
they mayn't plateau 	I mayn't be plateauing
you mayn't be plateauing
she mayn't be plateauing
we mayn't be plateauing
you mayn't be plateauing
they mayn't be plateauing	I mayn't have plateaued
you mayn't have plateaued
she mayn't have plateaued
we mayn't have plateaued
you mayn't have plateaued
they mayn't have plateaued	I mayn't have been plateauing
you mayn't have been plateauing
she mayn't have been plateauing
we mayn't have been plateauing
you mayn't have been plateauing
they mayn't have been plateauing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I plateau?
may you plateau?
may she plateau?
may we plateau?
may you plateau?
may they plateau? 	may I be plateauing?
may you be plateauing?
may she be plateauing?
may we be plateauing?
may you be plateauing?
may they be plateauing? 	may I have plateaued?
may you have plateaued?
may she have plateaued?
may we have plateaued?
may you have plateaued?
may they have plateaued? 	may I have been plateauing?
may you have been plateauing?
may she have been plateauing?
may we have been plateauing?
may you have been plateauing?
may they have been plateauing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I plateau?
mayn't you plateau?
mayn't she plateau?
mayn't we plateau?
mayn't you plateau?
mayn't they plateau? 	mayn't I be plateauing?
mayn't you be plateauing?
mayn't she be plateauing?
mayn't we be plateauing?
mayn't you be plateauing?
mayn't they be plateauing? 	mayn't I have plateaued?
mayn't you have plateaued?
mayn't she have plateaued?
mayn't we have plateaued?
mayn't you have plateaued?
mayn't they have plateaued? 	mayn't I have been plateauing?
mayn't you have been plateauing?
mayn't she have been plateauing?
mayn't we have been plateauing?
mayn't you have been plateauing?
mayn't they have been plateauing?