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