I could bully you could bully he could bully we could bully you could bully they could bully
V-ing form
I could be bullying you could be bullying he could be bullying we could be bullying you could be bullying they could be bullying
Perfect
I could have bullied you could have bullied he could have bullied we could have bullied you could have bullied they could have bullied
V-ing perfect
I could have been bullying you could have been bullying he could have been bullying we could have been bullying you could have been bullying they could have been bullying
Negation
Simple form
I couldn't bully you couldn't bully he couldn't bully we couldn't bully you couldn't bully they couldn't bully
V-ing form
I couldn't be bullying you couldn't be bullying he couldn't be bullying we couldn't be bullying you couldn't be bullying they couldn't be bullying
Perfect
I couldn't have bullied you couldn't have bullied he couldn't have bullied we couldn't have bullied you couldn't have bullied they couldn't have bullied
V-ing perfect
I couldn't have been bullying you couldn't have been bullying he couldn't have been bullying we couldn't have been bullying you couldn't have been bullying they couldn't have been bullying
Interrogative form
Simple form
could I bully? could you bully? could he bully? could we bully? could you bully? could they bully?
V-ing form
could I be bullying? could you be bullying? could he be bullying? could we be bullying? could you be bullying? could they be bullying?
Perfect
could I have bullied? could you have bullied? could he have bullied? could we have bullied? could you have bullied? could they have bullied?
V-ing perfect
could I have been bullying? could you have been bullying? could he have been bullying? could we have been bullying? could you have been bullying? could they have been bullying?
Interro-negative form
Simple form
couldn't I bully? couldn't you bully? couldn't he bully? couldn't we bully? couldn't you bully? couldn't they bully?
V-ing form
couldn't I be bullying? couldn't you be bullying? couldn't he be bullying? couldn't we be bullying? couldn't you be bullying? couldn't they be bullying?
Perfect
couldn't I have bullied? couldn't you have bullied? couldn't he have bullied? couldn't we have bullied? couldn't you have bullied? couldn't they have bullied?
V-ing perfect
couldn't I have been bullying? couldn't you have been bullying? couldn't he have been bullying? couldn't we have been bullying? couldn't you have been bullying? couldn't they have been bullying?