shall prevent
Verbo regular: prevent - prevented- prevented

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'll prevent
you'll prevent
he'll prevent
we'll prevent
you'll prevent
they'll prevent 	I'll be preventing
you'll be preventing
he'll be preventing
we'll be preventing
you'll be preventing
they'll be preventing	I'll have prevented
you'll have prevented
he'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
he'll have been preventing
we'll have been preventing
you'll have been preventing
they'll have been preventing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shan't prevent
you shan't prevent
he 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
he shan't be preventing
we shan't be preventing
you shan't be preventing
they shan't be preventing	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	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	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I prevent?
shall you prevent?
shall he prevent?
shall we prevent?
shall you prevent?
shall they prevent? 	shall I be preventing?
shall you be preventing?
shall he be preventing?
shall we be preventing?
shall you be preventing?
shall they be preventing? 	shall I have prevented?
shall you have prevented?
shall he 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 he have been preventing?
shall we have been preventing?
shall you have been preventing?
shall they have been preventing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shan't I prevent?
shan't you prevent?
shan't he 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 he be preventing?
shan't we be preventing?
shan't you be preventing?
shan't they be preventing? 	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? 	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?