
Verbo regular: prevent - prevented - prevented
Presente | Presente contínuo | Pretérito | Preterito contínuo | 
| I prevent you prevent she prevents we prevent you prevent they prevent  | I am preventing you are preventing she is preventing we are preventing you are preventing they are preventing  | I prevented you prevented she prevented we prevented you prevented they prevented  | I was preventing you were preventing she was preventing we were preventing you were preventing they were preventing  | 
Presente perfeito | Presente perfeito contínuo | Mais perfeito | Contínuo mais perfeito | 
| I have prevented you have prevented she has prevented we have prevented you have prevented they have prevented  | I have been preventing you have been preventing she has been preventing we have been preventing you have been preventing they have been preventing  | I had prevented you had prevented she had prevented we had prevented you had prevented they had prevented  | I had been preventing you had been preventing she had been preventing we had been preventing you had been preventing they had been preventing  | 
Futuro | Futuro contínuo | futuro perfeito | futuro perfeito contínuo | 
| I will prevent you will prevent she will prevent we will prevent you will prevent they will prevent  | I will be preventing you will be preventing she will be preventing we will be preventing you will be preventing they will be preventing  | I will have prevented you will have prevented she will have prevented we will have prevented you will have prevented they will have prevented  | I will have been preventing you will have been preventing she will have been preventing we will have been preventing you will have been preventing they will have been preventing  | 
Presente | Presente contínuo | Passado | Passado contínuo | 
| I would prevent you would prevent she would prevent we would prevent you would prevent they would prevent  | I would be preventing you would be preventing she would be preventing we would be preventing you would be preventing they would be preventing  | I would have prevented you would have prevented she would have prevented we would have prevented you would have prevented they would have prevented  | I would have been preventing you would have been preventing she would have been preventing we would have been preventing you would have been preventing they would have been preventing  | 
Infinitivo | Imperativo | 
Infinitivo | Imperativo | ||
| to prevent | prevent Let's prevent prevent  | 
Presente | Passado | ||
| preventing | prevented |