English verb conjugation
OUGHT TO POSTMARK

Regular verb: postmark - postmarked - postmarked

Affirmation

Simple form	V-ing form
I ought to postmark you ought to postmark he ought to postmark we ought to postmark you ought to postmark they ought to postmark	I ought to be postmarking you ought to be postmarking he ought to be postmarking we ought to be postmarking you ought to be postmarking they ought to be postmarking
Perfect	V-ing perfect
I ought to have postmarked you ought to have postmarked he ought to have postmarked we ought to have postmarked you ought to have postmarked they ought to have postmarked	I ought to have been postmarking you ought to have been postmarking he ought to have been postmarking we ought to have been postmarking you ought to have been postmarking they ought to have been postmarking

Negation

Simple form	V-ing form
I ought not to postmark you ought not to postmark he ought not to postmark we ought not to postmark you ought not to postmark they ought not to postmark	I ought not to postmarking you ought not to postmarking he ought not to postmarking we ought not to postmarking you ought not to postmarking they ought not to postmarking
Perfect	V-ing perfect
I ought not to have postmarked you ought not to have postmarked he ought not to have postmarked we ought not to have postmarked you ought not to have postmarked they ought not to have postmarked	I ought not to have been postmarking you ought not to have been postmarking he ought not to have been postmarking we ought not to have been postmarking you ought not to have been postmarking they ought not to have been postmarking

Interrogative form

Simple form	V-ing form
ought to I postmark? ought to you postmark? ought to he postmark? ought to we postmark? ought to you postmark? ought to they postmark?	ought to I be postmarking? ought to you be postmarking? ought to he be postmarking? ought to we be postmarking? ought to you be postmarking? ought to they be postmarking?
Perfect	V-ing perfect
ought to I have postmarked? ought to you have postmarked? ought to he have postmarked? ought to we have postmarked? ought to you have postmarked? ought to they have postmarked?	ought to I have been postmarking? ought to you have been postmarking? ought to he have been postmarking? ought to we have been postmarking? ought to you have been postmarking? ought to they have been postmarking?

Interro-negative form

Simple form	V-ing form
ought I not to postmark? ought you not to postmark? ought he not to postmark? ought we not to postmark? ought you not to postmark? ought they not to postmark?	ought I not to be postmarking? ought you not to be postmarking? ought he not to be postmarking? ought we not to be postmarking? ought you not to be postmarking? ought they not to be postmarking?
Perfect	V-ing perfect
ought I not to have postmarked? ought you not to have postmarked? ought he not to have postmarked? ought we not to have postmarked? ought you not to have postmarked? ought they not to have postmarked?	ought I not to have been postmarking? ought you not to have been postmarking? ought he not to have been postmarking? ought we not to have been postmarking? ought you not to have been postmarking? ought they not to have been postmarking?