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 mustn't shanghai you mustn't shanghai she mustn't shanghai we mustn't shanghai you mustn't shanghai they mustn't shanghai
V-ing form
I mustn't be shanghaiing you mustn't be shanghaiing she mustn't be shanghaiing we mustn't be shanghaiing you mustn't be shanghaiing they mustn't be shanghaiing
Perfect
I mustn't have shanghaied you mustn't have shanghaied she mustn't have shanghaied we mustn't have shanghaied you mustn't have shanghaied they mustn't have shanghaied
V-ing perfect
I mustn't have been shanghaiing you mustn't have been shanghaiing she mustn't have been shanghaiing we mustn't have been shanghaiing you mustn't have been shanghaiing they mustn't 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
mustn't I shanghai? mustn't you shanghai? mustn't she shanghai? mustn't we shanghai? mustn't you shanghai? mustn't they shanghai?
V-ing form
mustn't I be shanghaiing? mustn't you be shanghaiing? mustn't she be shanghaiing? mustn't we be shanghaiing? mustn't you be shanghaiing? mustn't they be shanghaiing?
Perfect
mustn't I have shanghaied? mustn't you have shanghaied? mustn't she have shanghaied? mustn't we have shanghaied? mustn't you have shanghaied? mustn't they have shanghaied?
V-ing perfect
mustn't I have been shanghaiing? mustn't you have been shanghaiing? mustn't she have been shanghaiing? mustn't we have been shanghaiing? mustn't you have been shanghaiing? mustn't they have been shanghaiing?