Present participle; Past participle - interlocking - interlocked Present - interlock - interlock - interlocks - interlock - interlock - interlock Past - interlocked - interlocked - interlocked - interlocked - interlocked - interlocked Future - will interlock - will interlock - will interlock - will interlock - will interlock - will interlock Present conditional - would interlock - would interlock - would interlock - would interlock - would interlock - would interlock Present Perfect - have interlocked - have interlocked - has interlocked - have interlocked - have interlocked - have interlocked Past Perfect - had interlocked - had interlocked - had interlocked - had interlocked - had interlocked - had interlocked Future Perfect - will have interlocked - will have interlocked - will have interlocked - will have interlocked - will have interlocked - will have interlocked Past conditional - would have interlocked - would have interlocked - would have interlocked - would have interlocked - would have interlocked - would have interlocked Imperative - - - interlock - - - - - - - -