English verb conjugation
OUGHT TO SAP

Regular verb: sap - sapped - sapped

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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