English verb conjugation
SHALL POSTMARK

Regular verb: postmark - postmarked - postmarked

Affirmation

Simple form	V-ing form
I shall postmark you shall postmark she shall postmark we shall postmark you shall postmark they shall postmark	I shall be postmarking you shall be postmarking she shall be postmarking we shall be postmarking you shall be postmarking they shall be postmarking
Perfect	V-ing perfect
I shall have postmarked you shall have postmarked she shall have postmarked we shall have postmarked you shall have postmarked they shall have postmarked	I shall have been postmarking you shall have been postmarking she shall have been postmarking we shall have been postmarking you shall have been postmarking they shall have been postmarking

Negation

Simple form	V-ing form
I shall not postmark you shall not postmark she shall not postmark we shall not postmark you shall not postmark they shall not postmark	I shall not be postmarking you shall not be postmarking she shall not be postmarking we shall not be postmarking you shall not be postmarking they shall not be postmarking
Perfect	V-ing perfect
I shall not have postmarked you shall not have postmarked she shall not have postmarked we shall not have postmarked you shall not have postmarked they shall not have postmarked	I shall not have been postmarking you shall not have been postmarking she shall not have been postmarking we shall not have been postmarking you shall not have been postmarking they shall not have been postmarking

Interrogative form

Simple form	V-ing form
shall I postmark? shall you postmark? shall she postmark? shall we postmark? shall you postmark? shall they postmark?	shall I be postmarking? shall you be postmarking? shall she be postmarking? shall we be postmarking? shall you be postmarking? shall they be postmarking?
Perfect	V-ing perfect
shall I have postmarked? shall you have postmarked? shall she have postmarked? shall we have postmarked? shall you have postmarked? shall they have postmarked?	shall I have been postmarking? shall you have been postmarking? shall she have been postmarking? shall we have been postmarking? shall you have been postmarking? shall they have been postmarking?

Interro-negative form

Simple form	V-ing form
shall I not postmark? shall you not postmark? shall she not postmark? shall we not postmark? shall you not postmark? shall they not postmark?	shall I not be postmarking? shall you not be postmarking? shall she not be postmarking? shall we not be postmarking? shall you not be postmarking? shall they not be postmarking?
Perfect	V-ing perfect
shall I not have postmarked? shall you not have postmarked? shall she not have postmarked? shall we not have postmarked? shall you not have postmarked? shall they not have postmarked?	shall I not have been postmarking? shall you not have been postmarking? shall she not have been postmarking? shall we not have been postmarking? shall you not have been postmarking? shall they not have been postmarking?