Present participle; Past participle - sledgehammering - sledgehammered Present - sledgehammer - sledgehammer - sledgehammers - sledgehammer - sledgehammer - sledgehammer Past - sledgehammered - sledgehammered - sledgehammered - sledgehammered - sledgehammered - sledgehammered Future - will sledgehammer - will sledgehammer - will sledgehammer - will sledgehammer - will sledgehammer - will sledgehammer Present conditional - would sledgehammer - would sledgehammer - would sledgehammer - would sledgehammer - would sledgehammer - would sledgehammer Present Perfect - have sledgehammered - have sledgehammered - has sledgehammered - have sledgehammered - have sledgehammered - have sledgehammered Past Perfect - had sledgehammered - had sledgehammered - had sledgehammered - had sledgehammered - had sledgehammered - had sledgehammered Future Perfect - will have sledgehammered - will have sledgehammered - will have sledgehammered - will have sledgehammered - will have sledgehammered - will have sledgehammered Past conditional - would have sledgehammered - would have sledgehammered - would have sledgehammered - would have sledgehammered - would have sledgehammered - would have sledgehammered Imperative - - - sledgehammer - - - - - - - -