Present participle; Past participle - shifting - shifted Present - shift - shift - shifts - shift - shift - shift Past - shifted - shifted - shifted - shifted - shifted - shifted Future - will shift - will shift - will shift - will shift - will shift - will shift Present conditional - would shift - would shift - would shift - would shift - would shift - would shift Present Perfect - have shifted - have shifted - has shifted - have shifted - have shifted - have shifted Past Perfect - had shifted - had shifted - had shifted - had shifted - had shifted - had shifted Future Perfect - will have shifted - will have shifted - will have shifted - will have shifted - will have shifted - will have shifted Past conditional - would have shifted - would have shifted - would have shifted - would have shifted - would have shifted - would have shifted Imperative - - - shift - - - - - - - -