English verb conjugation
CAN COUNTERCLAIM

Regular verb: counterclaim - counterclaimed - counterclaimed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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