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