may plateau
Regular verb: plateau - plateaued- plateaued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may plateau
you may plateau
he may plateau
we may plateau
you may plateau
they may plateau 	I may be plateauing
you may be plateauing
he may be plateauing
we may be plateauing
you may be plateauing
they may be plateauing	I may have plateaued
you may have plateaued
he 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
he 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
he 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
he 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
he 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
he 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 he plateau?
may we plateau?
may you plateau?
may they plateau? 	may I be plateauing?
may you be plateauing?
may he be plateauing?
may we be plateauing?
may you be plateauing?
may they be plateauing? 	may I have plateaued?
may you have plateaued?
may he 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 he 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 he 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 he 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 he 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 he have been plateauing?
mayn't we have been plateauing?
mayn't you have been plateauing?
mayn't they have been plateauing?