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