English verb conjugation
SHALL SAP

Regular verb: sap - sapped - sapped

Affirmation

Simple form	V-ing form
I shall sap you shall sap he shall sap we shall sap you shall sap they shall sap	I shall be sapping you shall be sapping he shall be sapping we shall be sapping you shall be sapping they shall be sapping
Perfect	V-ing perfect
I shall have sapped you shall have sapped he shall have sapped we shall have sapped you shall have sapped they shall have sapped	I shall have been sapping you shall have been sapping he shall have been sapping we shall have been sapping you shall have been sapping they shall have been sapping

Negation

Simple form	V-ing form
I shall not sap you shall not sap he shall not sap we shall not sap you shall not sap they shall not sap	I shall not be sapping you shall not be sapping he shall not be sapping we shall not be sapping you shall not be sapping they shall not be sapping
Perfect	V-ing perfect
I shall not have sapped you shall not have sapped he shall not have sapped we shall not have sapped you shall not have sapped they shall not have sapped	I shall not have been sapping you shall not have been sapping he shall not have been sapping we shall not have been sapping you shall not have been sapping they shall not have been sapping

Interrogative form

Simple form	V-ing form
shall I sap? shall you sap? shall he sap? shall we sap? shall you sap? shall they sap?	shall I be sapping? shall you be sapping? shall he be sapping? shall we be sapping? shall you be sapping? shall they be sapping?
Perfect	V-ing perfect
shall I have sapped? shall you have sapped? shall he have sapped? shall we have sapped? shall you have sapped? shall they have sapped?	shall I have been sapping? shall you have been sapping? shall he have been sapping? shall we have been sapping? shall you have been sapping? shall they have been sapping?

Interro-negative form

Simple form	V-ing form
shall I not sap? shall you not sap? shall he not sap? shall we not sap? shall you not sap? shall they not sap?	shall I not be sapping? shall you not be sapping? shall he not be sapping? shall we not be sapping? shall you not be sapping? shall they not be sapping?
Perfect	V-ing perfect
shall I not have sapped? shall you not have sapped? shall he not have sapped? shall we not have sapped? shall you not have sapped? shall they not have sapped?	shall I not have been sapping? shall you not have been sapping? shall he not have been sapping? shall we not have been sapping? shall you not have been sapping? shall they not have been sapping?