Present participle; Past participle - thudding - thudded Present - thud - thud - thuds - thud - thud - thud Past - thudded - thudded - thudded - thudded - thudded - thudded Future - will thud - will thud - will thud - will thud - will thud - will thud Present conditional - would thud - would thud - would thud - would thud - would thud - would thud Present Perfect - have thudded - have thudded - has thudded - have thudded - have thudded - have thudded Past Perfect - had thudded - had thudded - had thudded - had thudded - had thudded - had thudded Future Perfect - will have thudded - will have thudded - will have thudded - will have thudded - will have thudded - will have thudded Past conditional - would have thudded - would have thudded - would have thudded - would have thudded - would have thudded - would have thudded Imperative - - - thud - - - - - - - -