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