I must forward you must forward she must forward we must forward you must forward they must forward
V-ing form
I must be forwarding you must be forwarding she must be forwarding we must be forwarding you must be forwarding they must be forwarding
Perfect
I must have forwarded you must have forwarded she must have forwarded we must have forwarded you must have forwarded they must have forwarded
V-ing perfect
I must have been forwarding you must have been forwarding she must have been forwarding we must have been forwarding you must have been forwarding they must have been forwarding
Negation
Simple form
I must not forward you must not forward she must not forward we must not forward you must not forward they must not forward
V-ing form
I must not be forwarding you must not be forwarding she must not be forwarding we must not be forwarding you must not be forwarding they must not be forwarding
Perfect
I must not have forwarded you must not have forwarded she must not have forwarded we must not have forwarded you must not have forwarded they must not have forwarded
V-ing perfect
I must not have been forwarding you must not have been forwarding she must not have been forwarding we must not have been forwarding you must not have been forwarding they must not have been forwarding
Interrogative form
Simple form
must I forward? must you forward? must she forward? must we forward? must you forward? must they forward?
V-ing form
must I be forwarding? must you be forwarding? must she be forwarding? must we be forwarding? must you be forwarding? must they be forwarding?
Perfect
must I have forwarded? must you have forwarded? must she have forwarded? must we have forwarded? must you have forwarded? must they have forwarded?
V-ing perfect
must I have been forwarding? must you have been forwarding? must she have been forwarding? must we have been forwarding? must you have been forwarding? must they have been forwarding?
Interro-negative form
Simple form
must I not forward? must you not forward? must she not forward? must we not forward? must you not forward? must they not forward?
V-ing form
must I not be forwarding? must you not be forwarding? must she not be forwarding? must we not be forwarding? must you not be forwarding? must they not be forwarding?
Perfect
must I not have forwarded? must you not have forwarded? must she not have forwarded? must we not have forwarded? must you not have forwarded? must they not have forwarded?
V-ing perfect
must I not have been forwarding? must you not have been forwarding? must she not have been forwarding? must we not have been forwarding? must you not have been forwarding? must they not have been forwarding?