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