
Verbo regular: prevent - prevented - prevented
Forma simple | Forma con V-ing | 
| I'll prevent you'll prevent she'll prevent we'll prevent you'll prevent they'll prevent  | I'll be preventing you'll be preventing she'll be preventing we'll be preventing you'll be preventing they'll be preventing  | 
Perfecto | Perfecto con V-ing | 
| I'll have prevented you'll have prevented she'll have prevented we'll have prevented you'll have prevented they'll have prevented  | I'll have been preventing you'll have been preventing she'll have been preventing we'll have been preventing you'll have been preventing they'll have been preventing  | 
Forma simple | Forma con V-ing | 
| I shan't prevent you shan't prevent she shan't prevent we shan't prevent you shan't prevent they shan't prevent  | I shan't be preventing you shan't be preventing she shan't be preventing we shan't be preventing you shan't be preventing they shan't be preventing  | 
Perfecto | Perfecto con V-ing | 
| I shan't have prevented you shan't have prevented she shan't have prevented we shan't have prevented you shan't have prevented they shan't have prevented  | I shan't have been preventing you shan't have been preventing she shan't have been preventing we shan't have been preventing you shan't have been preventing they shan't have been preventing  | 
Forma simple | Forma con V-ing | 
| shall I prevent? shall you prevent? shall she prevent? shall we prevent? shall you prevent? shall they prevent?  | shall I be preventing? shall you be preventing? shall she be preventing? shall we be preventing? shall you be preventing? shall they be preventing?  | 
Perfecto | Perfecto con V-ing | 
| shall I have prevented? shall you have prevented? shall she have prevented? shall we have prevented? shall you have prevented? shall they have prevented?  | shall I have been preventing? shall you have been preventing? shall she have been preventing? shall we have been preventing? shall you have been preventing? shall they have been preventing?  | 
Forma simple | Forma con V-ing | 
| shan't I prevent? shan't you prevent? shan't she prevent? shan't we prevent? shan't you prevent? shan't they prevent?  | shan't I be preventing? shan't you be preventing? shan't she be preventing? shan't we be preventing? shan't you be preventing? shan't they be preventing?  | 
Perfecto | Perfecto con V-ing | 
| shan't I have prevented? shan't you have prevented? shan't she have prevented? shan't we have prevented? shan't you have prevented? shan't they have prevented?  | shan't I have been preventing? shan't you have been preventing? shan't she have been preventing? shan't we have been preventing? shan't you have been preventing? shan't they have been preventing?  |