
Verbo regular: guarantee - guaranteed - guaranteed
Forma simple | Forma con V-ing | 
| I must guarantee you must guarantee he must guarantee we must guarantee you must guarantee they must guarantee  | I must be guaranteeing you must be guaranteeing he must be guaranteeing we must be guaranteeing you must be guaranteeing they must be guaranteeing  | 
Perfecto | Perfecto con V-ing | 
| I must have guaranteed you must have guaranteed he must have guaranteed we must have guaranteed you must have guaranteed they must have guaranteed  | I must have been guaranteeing you must have been guaranteeing he must have been guaranteeing we must have been guaranteeing you must have been guaranteeing they must have been guaranteeing  | 
Forma simple | Forma con V-ing | 
| I mustn't guarantee you mustn't guarantee he mustn't guarantee we mustn't guarantee you mustn't guarantee they mustn't guarantee  | I mustn't be guaranteeing you mustn't be guaranteeing he mustn't be guaranteeing we mustn't be guaranteeing you mustn't be guaranteeing they mustn't be guaranteeing  | 
Perfecto | Perfecto con V-ing | 
| I mustn't have guaranteed you mustn't have guaranteed he mustn't have guaranteed we mustn't have guaranteed you mustn't have guaranteed they mustn't have guaranteed  | I mustn't have been guaranteeing you mustn't have been guaranteeing he mustn't have been guaranteeing we mustn't have been guaranteeing you mustn't have been guaranteeing they mustn't have been guaranteeing  | 
Forma simple | Forma con V-ing | 
| must I guarantee? must you guarantee? must he guarantee? must we guarantee? must you guarantee? must they guarantee?  | must I be guaranteeing? must you be guaranteeing? must he be guaranteeing? must we be guaranteeing? must you be guaranteeing? must they be guaranteeing?  | 
Perfecto | Perfecto con V-ing | 
| must I have guaranteed? must you have guaranteed? must he have guaranteed? must we have guaranteed? must you have guaranteed? must they have guaranteed?  | must I have been guaranteeing? must you have been guaranteeing? must he have been guaranteeing? must we have been guaranteeing? must you have been guaranteeing? must they have been guaranteeing?  | 
Forma simple | Forma con V-ing | 
| mustn't I guarantee? mustn't you guarantee? mustn't he guarantee? mustn't we guarantee? mustn't you guarantee? mustn't they guarantee?  | mustn't I be guaranteeing? mustn't you be guaranteeing? mustn't he be guaranteeing? mustn't we be guaranteeing? mustn't you be guaranteeing? mustn't they be guaranteeing?  | 
Perfecto | Perfecto con V-ing | 
| mustn't I have guaranteed? mustn't you have guaranteed? mustn't he have guaranteed? mustn't we have guaranteed? mustn't you have guaranteed? mustn't they have guaranteed?  | mustn't I have been guaranteeing? mustn't you have been guaranteeing? mustn't he have been guaranteeing? mustn't we have been guaranteeing? mustn't you have been guaranteeing? mustn't they have been guaranteeing?  |