I must create you must create he must create we must create you must create they must create
V-ing form
I must be creating you must be creating he must be creating we must be creating you must be creating they must be creating
Perfect
I must have created you must have created he must have created we must have created you must have created they must have created
V-ing perfect
I must have been creating you must have been creating he must have been creating we must have been creating you must have been creating they must have been creating
Negation
Simple form
I must not create you must not create he must not create we must not create you must not create they must not create
V-ing form
I must not be creating you must not be creating he must not be creating we must not be creating you must not be creating they must not be creating
Perfect
I must not have created you must not have created he must not have created we must not have created you must not have created they must not have created
V-ing perfect
I must not have been creating you must not have been creating he must not have been creating we must not have been creating you must not have been creating they must not have been creating
Interrogative form
Simple form
must I create? must you create? must he create? must we create? must you create? must they create?
V-ing form
must I be creating? must you be creating? must he be creating? must we be creating? must you be creating? must they be creating?
Perfect
must I have created? must you have created? must he have created? must we have created? must you have created? must they have created?
V-ing perfect
must I have been creating? must you have been creating? must he have been creating? must we have been creating? must you have been creating? must they have been creating?
Interro-negative form
Simple form
must I not create? must you not create? must he not create? must we not create? must you not create? must they not create?
V-ing form
must I not be creating? must you not be creating? must he not be creating? must we not be creating? must you not be creating? must they not be creating?
Perfect
must I not have created? must you not have created? must he not have created? must we not have created? must you not have created? must they not have created?
V-ing perfect
must I not have been creating? must you not have been creating? must he not have been creating? must we not have been creating? must you not have been creating? must they not have been creating?