English verb conjugation
COULD COUNTERCLAIM

Regular verb: counterclaim - counterclaimed - counterclaimed

Affirmation

Simple form	V-ing form
I could counterclaim you could counterclaim he could counterclaim we could counterclaim you could counterclaim they could counterclaim	I could be counterclaiming you could be counterclaiming he could be counterclaiming we could be counterclaiming you could be counterclaiming they could be counterclaiming
Perfect	V-ing perfect
I could have counterclaimed you could have counterclaimed he could have counterclaimed we could have counterclaimed you could have counterclaimed they could have counterclaimed	I could have been counterclaiming you could have been counterclaiming he could have been counterclaiming we could have been counterclaiming you could have been counterclaiming they could have been counterclaiming

Negation

Simple form	V-ing form
I couldn't counterclaim you couldn't counterclaim he couldn't counterclaim we couldn't counterclaim you couldn't counterclaim they couldn't counterclaim	I couldn't be counterclaiming you couldn't be counterclaiming he couldn't be counterclaiming we couldn't be counterclaiming you couldn't be counterclaiming they couldn't be counterclaiming
Perfect	V-ing perfect
I couldn't have counterclaimed you couldn't have counterclaimed he couldn't have counterclaimed we couldn't have counterclaimed you couldn't have counterclaimed they couldn't have counterclaimed	I couldn't have been counterclaiming you couldn't have been counterclaiming he couldn't have been counterclaiming we couldn't have been counterclaiming you couldn't have been counterclaiming they couldn't have been counterclaiming

Interrogative form

Simple form	V-ing form
could I counterclaim? could you counterclaim? could he counterclaim? could we counterclaim? could you counterclaim? could they counterclaim?	could I be counterclaiming? could you be counterclaiming? could he be counterclaiming? could we be counterclaiming? could you be counterclaiming? could they be counterclaiming?
Perfect	V-ing perfect
could I have counterclaimed? could you have counterclaimed? could he have counterclaimed? could we have counterclaimed? could you have counterclaimed? could they have counterclaimed?	could I have been counterclaiming? could you have been counterclaiming? could he have been counterclaiming? could we have been counterclaiming? could you have been counterclaiming? could they have been counterclaiming?

Interro-negative form

Simple form	V-ing form
couldn't I counterclaim? couldn't you counterclaim? couldn't he counterclaim? couldn't we counterclaim? couldn't you counterclaim? couldn't they counterclaim?	couldn't I be counterclaiming? couldn't you be counterclaiming? couldn't he be counterclaiming? couldn't we be counterclaiming? couldn't you be counterclaiming? couldn't they be counterclaiming?
Perfect	V-ing perfect
couldn't I have counterclaimed? couldn't you have counterclaimed? couldn't he have counterclaimed? couldn't we have counterclaimed? couldn't you have counterclaimed? couldn't they have counterclaimed?	couldn't I have been counterclaiming? couldn't you have been counterclaiming? couldn't he have been counterclaiming? couldn't we have been counterclaiming? couldn't you have been counterclaiming? couldn't they have been counterclaiming?