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