I'll be preventing you'll be preventing he'll be preventing we'll be preventing you'll be preventing they'll be preventing
Perfect
I'll have prevented you'll have prevented he'll have prevented we'll have prevented you'll have prevented they'll have prevented
Perfect en V-ing
I'll have been preventing you'll have been preventing he'll have been preventing we'll have been preventing you'll have been preventing they'll have been preventing
Négation
Forme simple
I shan't prevent you shan't prevent he shan't prevent we shan't prevent you shan't prevent they shan't prevent
Forme en V-ing
I shan't be preventing you shan't be preventing he shan't be preventing we shan't be preventing you shan't be preventing they shan't be preventing
Perfect
I shan't have prevented you shan't have prevented he shan't have prevented we shan't have prevented you shan't have prevented they shan't have prevented
Perfect en V-ing
I shan't have been preventing you shan't have been preventing he shan't have been preventing we shan't have been preventing you shan't have been preventing they shan't have been preventing
Forme interrogative
Forme simple
shall I prevent? shall you prevent? shall he prevent? shall we prevent? shall you prevent? shall they prevent?
Forme en V-ing
shall I be preventing? shall you be preventing? shall he be preventing? shall we be preventing? shall you be preventing? shall they be preventing?
Perfect
shall I have prevented? shall you have prevented? shall he have prevented? shall we have prevented? shall you have prevented? shall they have prevented?
Perfect en V-ing
shall I have been preventing? shall you have been preventing? shall he have been preventing? shall we have been preventing? shall you have been preventing? shall they have been preventing?
Forme interro-négative
Forme simple
shan't I prevent? shan't you prevent? shan't he prevent? shan't we prevent? shan't you prevent? shan't they prevent?
Forme en V-ing
shan't I be preventing? shan't you be preventing? shan't he be preventing? shan't we be preventing? shan't you be preventing? shan't they be preventing?
Perfect
shan't I have prevented? shan't you have prevented? shan't he have prevented? shan't we have prevented? shan't you have prevented? shan't they have prevented?
Perfect en V-ing
shan't I have been preventing? shan't you have been preventing? shan't he have been preventing? shan't we have been preventing? shan't you have been preventing? shan't they have been preventing?