I must bulwark you must bulwark he must bulwark we must bulwark you must bulwark they must bulwark
V-ing form
I must be bulwarking you must be bulwarking he must be bulwarking we must be bulwarking you must be bulwarking they must be bulwarking
Perfect
I must have bulwarked you must have bulwarked he must have bulwarked we must have bulwarked you must have bulwarked they must have bulwarked
V-ing perfect
I must have been bulwarking you must have been bulwarking he must have been bulwarking we must have been bulwarking you must have been bulwarking they must have been bulwarking
Negation
Simple form
I must not bulwark you must not bulwark he must not bulwark we must not bulwark you must not bulwark they must not bulwark
V-ing form
I must not be bulwarking you must not be bulwarking he must not be bulwarking we must not be bulwarking you must not be bulwarking they must not be bulwarking
Perfect
I must not have bulwarked you must not have bulwarked he must not have bulwarked we must not have bulwarked you must not have bulwarked they must not have bulwarked
V-ing perfect
I must not have been bulwarking you must not have been bulwarking he must not have been bulwarking we must not have been bulwarking you must not have been bulwarking they must not have been bulwarking
Interrogative form
Simple form
must I bulwark? must you bulwark? must he bulwark? must we bulwark? must you bulwark? must they bulwark?
V-ing form
must I be bulwarking? must you be bulwarking? must he be bulwarking? must we be bulwarking? must you be bulwarking? must they be bulwarking?
Perfect
must I have bulwarked? must you have bulwarked? must he have bulwarked? must we have bulwarked? must you have bulwarked? must they have bulwarked?
V-ing perfect
must I have been bulwarking? must you have been bulwarking? must he have been bulwarking? must we have been bulwarking? must you have been bulwarking? must they have been bulwarking?
Interro-negative form
Simple form
must I not bulwark? must you not bulwark? must he not bulwark? must we not bulwark? must you not bulwark? must they not bulwark?
V-ing form
must I not be bulwarking? must you not be bulwarking? must he not be bulwarking? must we not be bulwarking? must you not be bulwarking? must they not be bulwarking?
Perfect
must I not have bulwarked? must you not have bulwarked? must he not have bulwarked? must we not have bulwarked? must you not have bulwarked? must they not have bulwarked?
V-ing perfect
must I not have been bulwarking? must you not have been bulwarking? must he not have been bulwarking? must we not have been bulwarking? must you not have been bulwarking? must they not have been bulwarking?