Present participle; Past participle - bordering - bordered Present - border - border - borders - border - border - border Past - bordered - bordered - bordered - bordered - bordered - bordered Future - will border - will border - will border - will border - will border - will border Present conditional - would border - would border - would border - would border - would border - would border Present Perfect - have bordered - have bordered - has bordered - have bordered - have bordered - have bordered Past Perfect - had bordered - had bordered - had bordered - had bordered - had bordered - had bordered Future Perfect - will have bordered - will have bordered - will have bordered - will have bordered - will have bordered - will have bordered Past conditional - would have bordered - would have bordered - would have bordered - would have bordered - would have bordered - would have bordered Imperative - - - border - - - - - - - -