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