小学英语名词复数规则如下：
一般情况下 ，直接在词尾加-s。例如：book → books
bag → bags
cat → cats
bed → beds
以s, x, sh, ch结尾
的名词，加-es。例如：
bus → buses
box → boxes
brush → brushes
watch → watches
以辅音字母+y结尾的名词，变y为i，再加-es。例如：
family → families
strawberry → strawberries
以f或fe结尾的名词，变f或fe为v，再加-es。例如：
knife → knives
wife → wives
不规则名词复数
man → men
woman → women
policeman → policemen
policewoman → policewomen
mouse → mice
child → children
foot → feet
tooth → teeth
fish → fish
people → people
Chinese → Chinese
Japanese → Japanese
示例
watch → watches
child → children
photo → photos
diary → diaries
day → days
foot → feet
book → books
dress → dresses
tooth → teeth
sheep → sheep
box → boxes
strawberry → strawberries
thief → thieves
这些规则可以帮助小学生正确地将名词从单数形式转换为复数形式。建议通过大量的练习来巩固这些规则，以提高英语学习的效率和准确性。