shall prevent
Verbo regular: prevent - prevented- prevented

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

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not prevent
you shall not prevent
he shall not prevent
we shall not prevent
you shall not prevent
they shall not prevent 	I shall not be preventing
you shall not be preventing
he shall not be preventing
we shall not be preventing
you shall not be preventing
they shall not be preventing	I shall not have prevented
you shall not have prevented
he shall not have prevented
we shall not have prevented
you shall not have prevented
they shall not have prevented	I shall not have been preventing
you shall not have been preventing
he shall not have been preventing
we shall not have been preventing
you shall not have been preventing
they shall not 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 	
shall I not prevent?
shall you not prevent?
shall he not prevent?
shall we not prevent?
shall you not prevent?
shall they not prevent? 	shall I not be preventing?
shall you not be preventing?
shall he not be preventing?
shall we not be preventing?
shall you not be preventing?
shall they not be preventing? 	shall I not have prevented?
shall you not have prevented?
shall he not have prevented?
shall we not have prevented?
shall you not have prevented?
shall they not have prevented? 	shall I not have been preventing?
shall you not have been preventing?
shall he not have been preventing?
shall we not have been preventing?
shall you not have been preventing?
shall they not have been preventing?