I must create you must create she must create we must create you must create they must create
V-ing form
I must be creating you must be creating she must be creating we must be creating you must be creating they must be creating
Perfect
I must have created you must have created she 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 she 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 she 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 she 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 she 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 she 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 she create? must we create? must you create? must they create?
V-ing form
must I be creating? must you be creating? must she be creating? must we be creating? must you be creating? must they be creating?
Perfect
must I have created? must you have created? must she 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 she 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 she 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 she 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 she 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 she not have been creating? must we not have been creating? must you not have been creating? must they not have been creating?