could plateau
Regular verb: plateau - plateaued- plateaued

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not plateau
you could not plateau
he could not plateau
we could not plateau
you could not plateau
they could not plateau 	I could not be plateauing
you could not be plateauing
he could not be plateauing
we could not be plateauing
you could not be plateauing
they could not be plateauing	I could not have plateaued
you could not have plateaued
he could not have plateaued
we could not have plateaued
you could not have plateaued
they could not have plateaued	I could not have been plateauing
you could not have been plateauing
he could not have been plateauing
we could not have been plateauing
you could not have been plateauing
they could not have been plateauing	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not plateau?
could you not plateau?
could he not plateau?
could we not plateau?
could you not plateau?
could they not plateau? 	could I not be plateauing?
could you not be plateauing?
could he not be plateauing?
could we not be plateauing?
could you not be plateauing?
could they not be plateauing? 	could I not have plateaued?
could you not have plateaued?
could he not have plateaued?
could we not have plateaued?
could you not have plateaued?
could they not have plateaued? 	could I not have been plateauing?
could you not have been plateauing?
could he not have been plateauing?
could we not have been plateauing?
could you not have been plateauing?
could they not have been plateauing?