Present participle; Past participle - backpacking - backpacked Present - backpack - backpack - backpacks - backpack - backpack - backpack Past - backpacked - backpacked - backpacked - backpacked - backpacked - backpacked Future - will backpack - will backpack - will backpack - will backpack - will backpack - will backpack Present conditional - would backpack - would backpack - would backpack - would backpack - would backpack - would backpack Present Perfect - have backpacked - have backpacked - has backpacked - have backpacked - have backpacked - have backpacked Past Perfect - had backpacked - had backpacked - had backpacked - had backpacked - had backpacked - had backpacked Future Perfect - will have backpacked - will have backpacked - will have backpacked - will have backpacked - will have backpacked - will have backpacked Past conditional - would have backpacked - would have backpacked - would have backpacked - would have backpacked - would have backpacked - would have backpacked Imperative - - - backpack - - - - - - - -