
Regular verb: suit - suited - suited
Simple form | V-ing form | 
| I must suit you must suit he must suit we must suit you must suit they must suit  | I must be suiting you must be suiting he must be suiting we must be suiting you must be suiting they must be suiting  | 
Perfect | V-ing perfect | 
| I must have suited you must have suited he must have suited we must have suited you must have suited they must have suited  | I must have been suiting you must have been suiting he must have been suiting we must have been suiting you must have been suiting they must have been suiting  | 
Simple form | V-ing form | 
| I mustn't suit you mustn't suit he mustn't suit we mustn't suit you mustn't suit they mustn't suit  | I mustn't be suiting you mustn't be suiting he mustn't be suiting we mustn't be suiting you mustn't be suiting they mustn't be suiting  | 
Perfect | V-ing perfect | 
| I mustn't have suited you mustn't have suited he mustn't have suited we mustn't have suited you mustn't have suited they mustn't have suited  | I mustn't have been suiting you mustn't have been suiting he mustn't have been suiting we mustn't have been suiting you mustn't have been suiting they mustn't have been suiting  | 
Simple form | V-ing form | 
| must I suit? must you suit? must he suit? must we suit? must you suit? must they suit?  | must I be suiting? must you be suiting? must he be suiting? must we be suiting? must you be suiting? must they be suiting?  | 
Perfect | V-ing perfect | 
| must I have suited? must you have suited? must he have suited? must we have suited? must you have suited? must they have suited?  | must I have been suiting? must you have been suiting? must he have been suiting? must we have been suiting? must you have been suiting? must they have been suiting?  | 
Simple form | V-ing form | 
| mustn't I suit? mustn't you suit? mustn't he suit? mustn't we suit? mustn't you suit? mustn't they suit?  | mustn't I be suiting? mustn't you be suiting? mustn't he be suiting? mustn't we be suiting? mustn't you be suiting? mustn't they be suiting?  | 
Perfect | V-ing perfect | 
| mustn't I have suited? mustn't you have suited? mustn't he have suited? mustn't we have suited? mustn't you have suited? mustn't they have suited?  | mustn't I have been suiting? mustn't you have been suiting? mustn't he have been suiting? mustn't we have been suiting? mustn't you have been suiting? mustn't they have been suiting?  |