Present participle; Past participle - clouding - clouded Present - cloud - cloud - clouds - cloud - cloud - cloud Past - clouded - clouded - clouded - clouded - clouded - clouded Future - will cloud - will cloud - will cloud - will cloud - will cloud - will cloud Present conditional - would cloud - would cloud - would cloud - would cloud - would cloud - would cloud Present Perfect - have clouded - have clouded - has clouded - have clouded - have clouded - have clouded Past Perfect - had clouded - had clouded - had clouded - had clouded - had clouded - had clouded Future Perfect - will have clouded - will have clouded - will have clouded - will have clouded - will have clouded - will have clouded Past conditional - would have clouded - would have clouded - would have clouded - would have clouded - would have clouded - would have clouded Imperative - - - cloud - - - - - - - -