Present participle; Past participle - shielding - shielded Present - shield - shield - shields - shield - shield - shield Past - shielded - shielded - shielded - shielded - shielded - shielded Future - will shield - will shield - will shield - will shield - will shield - will shield Present conditional - would shield - would shield - would shield - would shield - would shield - would shield Present Perfect - have shielded - have shielded - has shielded - have shielded - have shielded - have shielded Past Perfect - had shielded - had shielded - had shielded - had shielded - had shielded - had shielded Future Perfect - will have shielded - will have shielded - will have shielded - will have shielded - will have shielded - will have shielded Past conditional - would have shielded - would have shielded - would have shielded - would have shielded - would have shielded - would have shielded Imperative - - - shield - - - - - - - -