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