English verb conjugation
SHALL FLATTEN

Regular verb: flatten - flattened - flattened

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?