English verb conjugation
SHOULD SAP

Regular verb: sap - sapped - sapped

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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