Present participle; Past participle - arcing - arced Present - arc - arc - arcs - arc - arc - arc Past - arced - arced - arced - arced - arced - arced Future - will arc - will arc - will arc - will arc - will arc - will arc Present conditional - would arc - would arc - would arc - would arc - would arc - would arc Present Perfect - have arced - have arced - has arced - have arced - have arced - have arced Past Perfect - had arced - had arced - had arced - had arced - had arced - had arced Future Perfect - will have arced - will have arced - will have arced - will have arced - will have arced - will have arced Past conditional - would have arced - would have arced - would have arced - would have arced - would have arced - would have arced Imperative - - - arc - - - - - - - -