Present participle; Past participle - flocking - flocked Present - flock - flock - flocks - flock - flock - flock Past - flocked - flocked - flocked - flocked - flocked - flocked Future - will flock - will flock - will flock - will flock - will flock - will flock Present conditional - would flock - would flock - would flock - would flock - would flock - would flock Present Perfect - have flocked - have flocked - has flocked - have flocked - have flocked - have flocked Past Perfect - had flocked - had flocked - had flocked - had flocked - had flocked - had flocked Future Perfect - will have flocked - will have flocked - will have flocked - will have flocked - will have flocked - will have flocked Past conditional - would have flocked - would have flocked - would have flocked - would have flocked - would have flocked - would have flocked Imperative - - - flock - - - - - - - -