English verb conjugation
SHALL SLACK

Regular verb: slack - slacked - slacked

Affirmation

Simple form	V-ing form
I shall slack you shall slack she shall slack we shall slack you shall slack they shall slack	I shall be slacking you shall be slacking she shall be slacking we shall be slacking you shall be slacking they shall be slacking
Perfect	V-ing perfect
I shall have slacked you shall have slacked she shall have slacked we shall have slacked you shall have slacked they shall have slacked	I shall have been slacking you shall have been slacking she shall have been slacking we shall have been slacking you shall have been slacking they shall have been slacking

Negation

Simple form	V-ing form
I shall not slack you shall not slack she shall not slack we shall not slack you shall not slack they shall not slack	I shall not be slacking you shall not be slacking she shall not be slacking we shall not be slacking you shall not be slacking they shall not be slacking
Perfect	V-ing perfect
I shall not have slacked you shall not have slacked she shall not have slacked we shall not have slacked you shall not have slacked they shall not have slacked	I shall not have been slacking you shall not have been slacking she shall not have been slacking we shall not have been slacking you shall not have been slacking they shall not have been slacking

Interrogative form

Simple form	V-ing form
shall I slack? shall you slack? shall she slack? shall we slack? shall you slack? shall they slack?	shall I be slacking? shall you be slacking? shall she be slacking? shall we be slacking? shall you be slacking? shall they be slacking?
Perfect	V-ing perfect
shall I have slacked? shall you have slacked? shall she have slacked? shall we have slacked? shall you have slacked? shall they have slacked?	shall I have been slacking? shall you have been slacking? shall she have been slacking? shall we have been slacking? shall you have been slacking? shall they have been slacking?

Interro-negative form

Simple form	V-ing form
shall I not slack? shall you not slack? shall she not slack? shall we not slack? shall you not slack? shall they not slack?	shall I not be slacking? shall you not be slacking? shall she not be slacking? shall we not be slacking? shall you not be slacking? shall they not be slacking?
Perfect	V-ing perfect
shall I not have slacked? shall you not have slacked? shall she not have slacked? shall we not have slacked? shall you not have slacked? shall they not have slacked?	shall I not have been slacking? shall you not have been slacking? shall she not have been slacking? shall we not have been slacking? shall you not have been slacking? shall they not have been slacking?