
Regular verb: enure - enured - enured
Simple form | V-ing form | 
| I must enure you must enure she must enure we must enure you must enure they must enure  | I must be enuring you must be enuring she must be enuring we must be enuring you must be enuring they must be enuring  | 
Perfect | V-ing perfect | 
| I must have enured you must have enured she must have enured we must have enured you must have enured they must have enured  | I must have been enuring you must have been enuring she must have been enuring we must have been enuring you must have been enuring they must have been enuring  | 
Simple form | V-ing form | 
| I mustn't enure you mustn't enure she mustn't enure we mustn't enure you mustn't enure they mustn't enure  | I mustn't be enuring you mustn't be enuring she mustn't be enuring we mustn't be enuring you mustn't be enuring they mustn't be enuring  | 
Perfect | V-ing perfect | 
| I mustn't have enured you mustn't have enured she mustn't have enured we mustn't have enured you mustn't have enured they mustn't have enured  | I mustn't have been enuring you mustn't have been enuring she mustn't have been enuring we mustn't have been enuring you mustn't have been enuring they mustn't have been enuring  | 
Simple form | V-ing form | 
| must I enure? must you enure? must she enure? must we enure? must you enure? must they enure?  | must I be enuring? must you be enuring? must she be enuring? must we be enuring? must you be enuring? must they be enuring?  | 
Perfect | V-ing perfect | 
| must I have enured? must you have enured? must she have enured? must we have enured? must you have enured? must they have enured?  | must I have been enuring? must you have been enuring? must she have been enuring? must we have been enuring? must you have been enuring? must they have been enuring?  | 
Simple form | V-ing form | 
| mustn't I enure? mustn't you enure? mustn't she enure? mustn't we enure? mustn't you enure? mustn't they enure?  | mustn't I be enuring? mustn't you be enuring? mustn't she be enuring? mustn't we be enuring? mustn't you be enuring? mustn't they be enuring?  | 
Perfect | V-ing perfect | 
| mustn't I have enured? mustn't you have enured? mustn't she have enured? mustn't we have enured? mustn't you have enured? mustn't they have enured?  | mustn't I have been enuring? mustn't you have been enuring? mustn't she have been enuring? mustn't we have been enuring? mustn't you have been enuring? mustn't they have been enuring?  |