I could monologue you could monologue he could monologue we could monologue you could monologue they could monologue
V-ing form
I could be monologuing you could be monologuing he could be monologuing we could be monologuing you could be monologuing they could be monologuing
Perfect
I could have monologued you could have monologued he could have monologued we could have monologued you could have monologued they could have monologued
V-ing perfect
I could have been monologuing you could have been monologuing he could have been monologuing we could have been monologuing you could have been monologuing they could have been monologuing
Negation
Simple form
I could not monologue you could not monologue he could not monologue we could not monologue you could not monologue they could not monologue
V-ing form
I could not be monologuing you could not be monologuing he could not be monologuing we could not be monologuing you could not be monologuing they could not be monologuing
Perfect
I could not have monologued you could not have monologued he could not have monologued we could not have monologued you could not have monologued they could not have monologued
V-ing perfect
I could not have been monologuing you could not have been monologuing he could not have been monologuing we could not have been monologuing you could not have been monologuing they could not have been monologuing
Interrogative form
Simple form
could I monologue? could you monologue? could he monologue? could we monologue? could you monologue? could they monologue?
V-ing form
could I be monologuing? could you be monologuing? could he be monologuing? could we be monologuing? could you be monologuing? could they be monologuing?
Perfect
could I have monologued? could you have monologued? could he have monologued? could we have monologued? could you have monologued? could they have monologued?
V-ing perfect
could I have been monologuing? could you have been monologuing? could he have been monologuing? could we have been monologuing? could you have been monologuing? could they have been monologuing?
Interro-negative form
Simple form
could I not monologue? could you not monologue? could he not monologue? could we not monologue? could you not monologue? could they not monologue?
V-ing form
could I not be monologuing? could you not be monologuing? could he not be monologuing? could we not be monologuing? could you not be monologuing? could they not be monologuing?
Perfect
could I not have monologued? could you not have monologued? could he not have monologued? could we not have monologued? could you not have monologued? could they not have monologued?
V-ing perfect
could I not have been monologuing? could you not have been monologuing? could he not have been monologuing? could we not have been monologuing? could you not have been monologuing? could they not have been monologuing?