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 couldn't monologue you couldn't monologue he couldn't monologue we couldn't monologue you couldn't monologue they couldn't monologue
V-ing form
I couldn't be monologuing you couldn't be monologuing he couldn't be monologuing we couldn't be monologuing you couldn't be monologuing they couldn't be monologuing
Perfect
I couldn't have monologued you couldn't have monologued he couldn't have monologued we couldn't have monologued you couldn't have monologued they couldn't have monologued
V-ing perfect
I couldn't have been monologuing you couldn't have been monologuing he couldn't have been monologuing we couldn't have been monologuing you couldn't have been monologuing they couldn't 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
couldn't I monologue? couldn't you monologue? couldn't he monologue? couldn't we monologue? couldn't you monologue? couldn't they monologue?
V-ing form
couldn't I be monologuing? couldn't you be monologuing? couldn't he be monologuing? couldn't we be monologuing? couldn't you be monologuing? couldn't they be monologuing?
Perfect
couldn't I have monologued? couldn't you have monologued? couldn't he have monologued? couldn't we have monologued? couldn't you have monologued? couldn't they have monologued?
V-ing perfect
couldn't I have been monologuing? couldn't you have been monologuing? couldn't he have been monologuing? couldn't we have been monologuing? couldn't you have been monologuing? couldn't they have been monologuing?