Present participle; Past participle - spiral(l)ing - spiral(l)ed Present - spiral - spiral - spirals - spiral - spiral - spiral Past - spiral(l)ed - spiral(l)ed - spiral(l)ed - spiral(l)ed - spiral(l)ed - spiral(l)ed Future - will spiral - will spiral - will spiral - will spiral - will spiral - will spiral Present conditional - would spiral - would spiral - would spiral - would spiral - would spiral - would spiral Present Perfect - have spiral(l)ed - have spiral(l)ed - has spiral(l)ed - have spiral(l)ed - have spiral(l)ed - have spiral(l)ed Past Perfect - had spiral(l)ed - had spiral(l)ed - had spiral(l)ed - had spiral(l)ed - had spiral(l)ed - had spiral(l)ed Future Perfect - will have spiral(l)ed - will have spiral(l)ed - will have spiral(l)ed - will have spiral(l)ed - will have spiral(l)ed - will have spiral(l)ed Past conditional - would have spiral(l)ed - would have spiral(l)ed - would have spiral(l)ed - would have spiral(l)ed - would have spiral(l)ed - would have spiral(l)ed Imperative - - - spiral - - - - - - - -