I must converge you must converge she must converge we must converge you must converge they must converge
V-ing form
I must be converging you must be converging she must be converging we must be converging you must be converging they must be converging
Perfect
I must have converged you must have converged she 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 she 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 she 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 she 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 she 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 she 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 she converge? must we converge? must you converge? must they converge?
V-ing form
must I be converging? must you be converging? must she be converging? must we be converging? must you be converging? must they be converging?
Perfect
must I have converged? must you have converged? must she 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 she 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 she 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 she 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 she 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 she have been converging? mustn't we have been converging? mustn't you have been converging? mustn't they have been converging?