Present participle; Past participle - trailering - trailered Present - trailer - trailer - trailers - trailer - trailer - trailer Past - trailered - trailered - trailered - trailered - trailered - trailered Future - will trailer - will trailer - will trailer - will trailer - will trailer - will trailer Present conditional - would trailer - would trailer - would trailer - would trailer - would trailer - would trailer Present Perfect - have trailered - have trailered - has trailered - have trailered - have trailered - have trailered Past Perfect - had trailered - had trailered - had trailered - had trailered - had trailered - had trailered Future Perfect - will have trailered - will have trailered - will have trailered - will have trailered - will have trailered - will have trailered Past conditional - would have trailered - would have trailered - would have trailered - would have trailered - would have trailered - would have trailered Imperative - - - trailer - - - - - - - -