Present participle; Past participle - crossbreeding - crossbred Present - crossbreed - crossbreed - crossbreeds - crossbreed - crossbreed - crossbreed Past - crossbred - crossbred - crossbred - crossbred - crossbred - crossbred Future - will crossbreed - will crossbreed - will crossbreed - will crossbreed - will crossbreed - will crossbreed Present conditional - would crossbreed - would crossbreed - would crossbreed - would crossbreed - would crossbreed - would crossbreed Present Perfect - have crossbred - have crossbred - has crossbred - have crossbred - have crossbred - have crossbred Past Perfect - had crossbred - had crossbred - had crossbred - had crossbred - had crossbred - had crossbred Future Perfect - will have crossbred - will have crossbred - will have crossbred - will have crossbred - will have crossbred - will have crossbred Past conditional - would have crossbred - would have crossbred - would have crossbred - would have crossbred - would have crossbred - would have crossbred Imperative - - - crossbreed - - - - - - - -