I must shanghai you must shanghai she must shanghai we must shanghai you must shanghai they must shanghai
V-ing form
I must be shanghaiing you must be shanghaiing she must be shanghaiing we must be shanghaiing you must be shanghaiing they must be shanghaiing
Perfect
I must have shanghaied you must have shanghaied she must have shanghaied we must have shanghaied you must have shanghaied they must have shanghaied
V-ing perfect
I must have been shanghaiing you must have been shanghaiing she must have been shanghaiing we must have been shanghaiing you must have been shanghaiing they must have been shanghaiing
Negation
Simple form
I must not shanghai you must not shanghai she must not shanghai we must not shanghai you must not shanghai they must not shanghai
V-ing form
I must not be shanghaiing you must not be shanghaiing she must not be shanghaiing we must not be shanghaiing you must not be shanghaiing they must not be shanghaiing
Perfect
I must not have shanghaied you must not have shanghaied she must not have shanghaied we must not have shanghaied you must not have shanghaied they must not have shanghaied
V-ing perfect
I must not have been shanghaiing you must not have been shanghaiing she must not have been shanghaiing we must not have been shanghaiing you must not have been shanghaiing they must not have been shanghaiing
Interrogative form
Simple form
must I shanghai? must you shanghai? must she shanghai? must we shanghai? must you shanghai? must they shanghai?
V-ing form
must I be shanghaiing? must you be shanghaiing? must she be shanghaiing? must we be shanghaiing? must you be shanghaiing? must they be shanghaiing?
Perfect
must I have shanghaied? must you have shanghaied? must she have shanghaied? must we have shanghaied? must you have shanghaied? must they have shanghaied?
V-ing perfect
must I have been shanghaiing? must you have been shanghaiing? must she have been shanghaiing? must we have been shanghaiing? must you have been shanghaiing? must they have been shanghaiing?
Interro-negative form
Simple form
must I not shanghai? must you not shanghai? must she not shanghai? must we not shanghai? must you not shanghai? must they not shanghai?
V-ing form
must I not be shanghaiing? must you not be shanghaiing? must she not be shanghaiing? must we not be shanghaiing? must you not be shanghaiing? must they not be shanghaiing?
Perfect
must I not have shanghaied? must you not have shanghaied? must she not have shanghaied? must we not have shanghaied? must you not have shanghaied? must they not have shanghaied?
V-ing perfect
must I not have been shanghaiing? must you not have been shanghaiing? must she not have been shanghaiing? must we not have been shanghaiing? must you not have been shanghaiing? must they not have been shanghaiing?