English verb conjugation
SHOULD THWACK

Regular verb: thwack - thwacked - thwacked

Affirmation

Simple form	V-ing form
I should thwack you should thwack she should thwack we should thwack you should thwack they should thwack	I should be thwacking you should be thwacking she should be thwacking we should be thwacking you should be thwacking they should be thwacking
Perfect	V-ing perfect
I should have thwacked you should have thwacked she should have thwacked we should have thwacked you should have thwacked they should have thwacked	I should have been thwacking you should have been thwacking she should have been thwacking we should have been thwacking you should have been thwacking they should have been thwacking

Negation

Simple form	V-ing form
I should not thwack you should not thwack she should not thwack we should not thwack you should not thwack they should not thwack	I should not be thwacking you should not be thwacking she should not be thwacking we should not be thwacking you should not be thwacking they should not be thwacking
Perfect	V-ing perfect
I should not have thwacked you should not have thwacked she should not have thwacked we should not have thwacked you should not have thwacked they should not have thwacked	I should not have been thwacking you should not have been thwacking she should not have been thwacking we should not have been thwacking you should not have been thwacking they should not have been thwacking

Interrogative form

Simple form	V-ing form
should I thwack? should you thwack? should she thwack? should we thwack? should you thwack? should they thwack?	should I be thwacking? should you be thwacking? should she be thwacking? should we be thwacking? should you be thwacking? should they be thwacking?
Perfect	V-ing perfect
should I have thwacked? should you have thwacked? should she have thwacked? should we have thwacked? should you have thwacked? should they have thwacked?	should I have been thwacking? should you have been thwacking? should she have been thwacking? should we have been thwacking? should you have been thwacking? should they have been thwacking?

Interro-negative form

Simple form	V-ing form
should I not thwack? should you not thwack? should she not thwack? should we not thwack? should you not thwack? should they not thwack?	should I not be thwacking? should you not be thwacking? should she not be thwacking? should we not be thwacking? should you not be thwacking? should they not be thwacking?
Perfect	V-ing perfect
should I not have thwacked? should you not have thwacked? should she not have thwacked? should we not have thwacked? should you not have thwacked? should they not have thwacked?	should I not have been thwacking? should you not have been thwacking? should she not have been thwacking? should we not have been thwacking? should you not have been thwacking? should they not have been thwacking?