
Verbo regolare: characterize - characterized - characterized
Forma semplice | Forma con V-ing | 
| I must characterize you must characterize he must characterize we must characterize you must characterize they must characterize  | I must be characterizing you must be characterizing he must be characterizing we must be characterizing you must be characterizing they must be characterizing  | 
Perfetto | Perfetto con V-ing | 
| I must have characterized you must have characterized he must have characterized we must have characterized you must have characterized they must have characterized  | I must have been characterizing you must have been characterizing he must have been characterizing we must have been characterizing you must have been characterizing they must have been characterizing  | 
Forma semplice | Forma con V-ing | 
| I mustn't characterize you mustn't characterize he mustn't characterize we mustn't characterize you mustn't characterize they mustn't characterize  | I mustn't be characterizing you mustn't be characterizing he mustn't be characterizing we mustn't be characterizing you mustn't be characterizing they mustn't be characterizing  | 
Perfetto | Perfetto con V-ing | 
| I mustn't have characterized you mustn't have characterized he mustn't have characterized we mustn't have characterized you mustn't have characterized they mustn't have characterized  | I mustn't have been characterizing you mustn't have been characterizing he mustn't have been characterizing we mustn't have been characterizing you mustn't have been characterizing they mustn't have been characterizing  | 
Forma semplice | Forma con V-ing | 
| must I characterize? must you characterize? must he characterize? must we characterize? must you characterize? must they characterize?  | must I be characterizing? must you be characterizing? must he be characterizing? must we be characterizing? must you be characterizing? must they be characterizing?  | 
Perfetto | Perfetto con V-ing | 
| must I have characterized? must you have characterized? must he have characterized? must we have characterized? must you have characterized? must they have characterized?  | must I have been characterizing? must you have been characterizing? must he have been characterizing? must we have been characterizing? must you have been characterizing? must they have been characterizing?  | 
Forma semplice | Forma con V-ing | 
| mustn't I characterize? mustn't you characterize? mustn't he characterize? mustn't we characterize? mustn't you characterize? mustn't they characterize?  | mustn't I be characterizing? mustn't you be characterizing? mustn't he be characterizing? mustn't we be characterizing? mustn't you be characterizing? mustn't they be characterizing?  | 
Perfetto | Perfetto con V-ing | 
| mustn't I have characterized? mustn't you have characterized? mustn't he have characterized? mustn't we have characterized? mustn't you have characterized? mustn't they have characterized?  | mustn't I have been characterizing? mustn't you have been characterizing? mustn't he have been characterizing? mustn't we have been characterizing? mustn't you have been characterizing? mustn't they have been characterizing?  |