Irregular and Regular Plurals GameOnline version Test your knowledge of irregular and regular plurals of animals! by DIANA VASILEVSKAYA 1 The plural of fish is fish. Yes No 2 The plural of cat is cats. Yes No 3 The plural of bird is birds. Yes No 4 The plural of sheep is sheep. Yes No 5 The plural of mouse is mice. Yes No 6 The plural of cow is cow Yes No 7 The plural of horse is horse Yes No 8 The plural of fish is fishes Yes No 9 The plural of goat is goats Yes No 10 The plural of sheep is baa-baa Yes No 11 The plural of mouse is mouse Yes No 12 The plural of lizard is lizards Yes No 13 The plural of spider is fish Yes No 14 The plural of cow is sheep Yes No 15 The plural of cat is mice Yes No