Present participle; Past participle - postmarking - postmarked Present - postmark - postmark - postmarks - postmark - postmark - postmark Past - postmarked - postmarked - postmarked - postmarked - postmarked - postmarked Future - will postmark - will postmark - will postmark - will postmark - will postmark - will postmark Present conditional - would postmark - would postmark - would postmark - would postmark - would postmark - would postmark Present Perfect - have postmarked - have postmarked - has postmarked - have postmarked - have postmarked - have postmarked Past Perfect - had postmarked - had postmarked - had postmarked - had postmarked - had postmarked - had postmarked Future Perfect - will have postmarked - will have postmarked - will have postmarked - will have postmarked - will have postmarked - will have postmarked Past conditional - would have postmarked - would have postmarked - would have postmarked - would have postmarked - would have postmarked - would have postmarked Imperative - - - postmark - - - - - - - -