shall flatten
Verbo regular: flatten - flattened- flattened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall flatten
you shall flatten
he shall flatten
we shall flatten
you shall flatten
they shall flatten 	I shall be flattening
you shall be flattening
he shall be flattening
we shall be flattening
you shall be flattening
they shall be flattening	I shall have flattened
you shall have flattened
he shall have flattened
we shall have flattened
you shall have flattened
they shall have flattened	I shall have been flattening
you shall have been flattening
he shall have been flattening
we shall have been flattening
you shall have been flattening
they shall have been flattening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not flatten
you shall not flatten
he shall not flatten
we shall not flatten
you shall not flatten
they shall not flatten 	I shall not be flattening
you shall not be flattening
he shall not be flattening
we shall not be flattening
you shall not be flattening
they shall not be flattening	I shall not have flattened
you shall not have flattened
he shall not have flattened
we shall not have flattened
you shall not have flattened
they shall not have flattened	I shall not have been flattening
you shall not have been flattening
he shall not have been flattening
we shall not have been flattening
you shall not have been flattening
they shall not have been flattening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I flatten?
shall you flatten?
shall he flatten?
shall we flatten?
shall you flatten?
shall they flatten? 	shall I be flattening?
shall you be flattening?
shall he be flattening?
shall we be flattening?
shall you be flattening?
shall they be flattening? 	shall I have flattened?
shall you have flattened?
shall he have flattened?
shall we have flattened?
shall you have flattened?
shall they have flattened? 	shall I have been flattening?
shall you have been flattening?
shall he have been flattening?
shall we have been flattening?
shall you have been flattening?
shall they have been flattening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not flatten?
shall you not flatten?
shall he not flatten?
shall we not flatten?
shall you not flatten?
shall they not flatten? 	shall I not be flattening?
shall you not be flattening?
shall he not be flattening?
shall we not be flattening?
shall you not be flattening?
shall they not be flattening? 	shall I not have flattened?
shall you not have flattened?
shall he not have flattened?
shall we not have flattened?
shall you not have flattened?
shall they not have flattened? 	shall I not have been flattening?
shall you not have been flattening?
shall he not have been flattening?
shall we not have been flattening?
shall you not have been flattening?
shall they not have been flattening?