Present participle; Past participle - backstroking - backstroked Present - backstroke - backstroke - backstrokes - backstroke - backstroke - backstroke Past - backstroked - backstroked - backstroked - backstroked - backstroked - backstroked Future - will backstroke - will backstroke - will backstroke - will backstroke - will backstroke - will backstroke Present conditional - would backstroke - would backstroke - would backstroke - would backstroke - would backstroke - would backstroke Present Perfect - have backstroked - have backstroked - has backstroked - have backstroked - have backstroked - have backstroked Past Perfect - had backstroked - had backstroked - had backstroked - had backstroked - had backstroked - had backstroked Future Perfect - will have backstroked - will have backstroked - will have backstroked - will have backstroked - will have backstroked - will have backstroked Past conditional - would have backstroked - would have backstroked - would have backstroked - would have backstroked - would have backstroked - would have backstroked Imperative - - - backstroke - - - - - - - -