English verb conjugation
COULD PLATEAU

Regular verb: plateau - plateaued - plateaued

Affirmation

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

Interrogative form

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