3. The plural form for CAKE is… CAKESCAKIESCAKE’S

6. The plural form for RABBIT is… RABBIT’SRABBITSRABBITES

9. The plural form for KNIFE is… KNIFESKNIVESKNIFFES

12. The plural form for DONKEY is… DONKEIS DONKEY’S DONKEYS

15. The plural form for LEAF is… LEAVESLEAFESLEAFS

18. The plural form for SHELF is… SHELFESSHELVESSHELFS

21. The plural form for WATCH is… WATCHES WATCHIES WATCH’S

24. The plural form for HOBBY is… HOBBYSHOBBIESHOBBYES

27. The plural form for CITY is… CITTYSCITIESCITTIES

30. The plural form for FROG is… FROGESFROGGSFROGS

33. The plural form for FOX is… FOXESFOXIESFOXS

36. The plural form for THIEF is… THIEFSTHIEFESTHIEVES

39. The plural form for LADY is… LADYSLADIESLADYES

42. The plural form for POTATO is… POTATOES POTATOS POTATONS

45. The plural form for BABY is… BABYESBABYSBABIES

48. The plural form for BUS is… BUS’BUSESBUSIES

51. The plural form for WIFE is… WIFESWIVESWIFIES