Present participle; Past participle - pining - pined Present - pine - pine - pines - pine - pine - pine Past - pined - pined - pined - pined - pined - pined Future - will pine - will pine - will pine - will pine - will pine - will pine Present conditional - would pine - would pine - would pine - would pine - would pine - would pine Present Perfect - have pined - have pined - has pined - have pined - have pined - have pined Past Perfect - had pined - had pined - had pined - had pined - had pined - had pined Future Perfect - will have pined - will have pined - will have pined - will have pined - will have pined - will have pined Past conditional - would have pined - would have pined - would have pined - would have pined - would have pined - would have pined Imperative - - - pine - - - - - - - -