I can counterclaim you can counterclaim she can counterclaim we can counterclaim you can counterclaim they can counterclaim
V-ing form
I can be counterclaiming you can be counterclaiming she can be counterclaiming we can be counterclaiming you can be counterclaiming they can be counterclaiming
Perfect
I can have counterclaimed you can have counterclaimed she can have counterclaimed we can have counterclaimed you can have counterclaimed they can have counterclaimed
V-ing perfect
I can have been counterclaiming you can have been counterclaiming she can have been counterclaiming we can have been counterclaiming you can have been counterclaiming they can have been counterclaiming
Negation
Simple form
I cannot counterclaim you cannot counterclaim she cannot counterclaim we cannot counterclaim you cannot counterclaim they cannot counterclaim
V-ing form
I cannot be counterclaiming you cannot be counterclaiming she cannot be counterclaiming we cannot be counterclaiming you cannot be counterclaiming they cannot be counterclaiming
Perfect
I cannot have counterclaimed you cannot have counterclaimed she cannot have counterclaimed we cannot have counterclaimed you cannot have counterclaimed they cannot have counterclaimed
V-ing perfect
I cannot have been counterclaiming you cannot have been counterclaiming she cannot have been counterclaiming we cannot have been counterclaiming you cannot have been counterclaiming they cannot have been counterclaiming
Interrogative form
Simple form
can I counterclaim? can you counterclaim? can she counterclaim? can we counterclaim? can you counterclaim? can they counterclaim?
V-ing form
can I be counterclaiming? can you be counterclaiming? can she be counterclaiming? can we be counterclaiming? can you be counterclaiming? can they be counterclaiming?
Perfect
can I have counterclaimed? can you have counterclaimed? can she have counterclaimed? can we have counterclaimed? can you have counterclaimed? can they have counterclaimed?
V-ing perfect
can I have been counterclaiming? can you have been counterclaiming? can she have been counterclaiming? can we have been counterclaiming? can you have been counterclaiming? can they have been counterclaiming?
Interro-negative form
Simple form
can I not counterclaim? can you not counterclaim? can she not counterclaim? can we not counterclaim? can you not counterclaim? can they not counterclaim?
V-ing form
can I not be counterclaiming? can you not be counterclaiming? can she not be counterclaiming? can we not be counterclaiming? can you not be counterclaiming? can they not be counterclaiming?
Perfect
can I not have counterclaimed? can you not have counterclaimed? can she not have counterclaimed? can we not have counterclaimed? can you not have counterclaimed? can they not have counterclaimed?
V-ing perfect
can I not have been counterclaiming? can you not have been counterclaiming? can she not have been counterclaiming? can we not have been counterclaiming? can you not have been counterclaiming? can they not have been counterclaiming?