I must converge you must converge he must converge we must converge you must converge they must converge
V-ing form
I must be converging you must be converging he must be converging we must be converging you must be converging they must be converging
Perfect
I must have converged you must have converged he must have converged we must have converged you must have converged they must have converged
V-ing perfect
I must have been converging you must have been converging he must have been converging we must have been converging you must have been converging they must have been converging
Negation
Simple form
I mustn't converge you mustn't converge he mustn't converge we mustn't converge you mustn't converge they mustn't converge
V-ing form
I mustn't be converging you mustn't be converging he mustn't be converging we mustn't be converging you mustn't be converging they mustn't be converging
Perfect
I mustn't have converged you mustn't have converged he mustn't have converged we mustn't have converged you mustn't have converged they mustn't have converged
V-ing perfect
I mustn't have been converging you mustn't have been converging he mustn't have been converging we mustn't have been converging you mustn't have been converging they mustn't have been converging
Interrogative form
Simple form
must I converge? must you converge? must he converge? must we converge? must you converge? must they converge?
V-ing form
must I be converging? must you be converging? must he be converging? must we be converging? must you be converging? must they be converging?
Perfect
must I have converged? must you have converged? must he have converged? must we have converged? must you have converged? must they have converged?
V-ing perfect
must I have been converging? must you have been converging? must he have been converging? must we have been converging? must you have been converging? must they have been converging?
Interro-negative form
Simple form
mustn't I converge? mustn't you converge? mustn't he converge? mustn't we converge? mustn't you converge? mustn't they converge?
V-ing form
mustn't I be converging? mustn't you be converging? mustn't he be converging? mustn't we be converging? mustn't you be converging? mustn't they be converging?
Perfect
mustn't I have converged? mustn't you have converged? mustn't he have converged? mustn't we have converged? mustn't you have converged? mustn't they have converged?
V-ing perfect
mustn't I have been converging? mustn't you have been converging? mustn't he have been converging? mustn't we have been converging? mustn't you have been converging? mustn't they have been converging?