Present participle; Past participle - gridlocking - gridlocked Present - gridlock - gridlock - gridlocks - gridlock - gridlock - gridlock Past - gridlocked - gridlocked - gridlocked - gridlocked - gridlocked - gridlocked Future - will gridlock - will gridlock - will gridlock - will gridlock - will gridlock - will gridlock Present conditional - would gridlock - would gridlock - would gridlock - would gridlock - would gridlock - would gridlock Present Perfect - have gridlocked - have gridlocked - has gridlocked - have gridlocked - have gridlocked - have gridlocked Past Perfect - had gridlocked - had gridlocked - had gridlocked - had gridlocked - had gridlocked - had gridlocked Future Perfect - will have gridlocked - will have gridlocked - will have gridlocked - will have gridlocked - will have gridlocked - will have gridlocked Past conditional - would have gridlocked - would have gridlocked - would have gridlocked - would have gridlocked - would have gridlocked - would have gridlocked Imperative - - - gridlock - - - - - - - -