名词名词单复数考点直击可数名词和不可数名词的用法;可数名词单数变复数的规则;412What’sthisinEnglish?It’sanapple.Whatarethese?Theyaretwoapples.--Whatarethese?--What’sthis?--It’sapen.--Theyarepens.--Whatarethose?--What’sthat?--It’sanEnglishbook.--TheyareEnglishbooks.backpackswatchesorangespens--What’rethese?--They’re….mapscaseskeys--What’rethose?--They’re….可数名词单数如何变化?复数规则变化不规则变化名词的数单数复数变化规则:(1)一般情况在词尾加-s(2)以s,x,ch,sh,结尾的词加-es(3)以辅音母加y结尾的词变“y”为“i”再加-es(5)以o结尾的通常有生命加-es,无生命加-s(6)以f或fe结尾的词,多数变f为v再加-es。(7)不规则变化a/an+可数名词单数a/an的用法:辅音音素前要用a;元音音素前要用an;代词放在名词前;a/an都不见。1.可数名词有单数和复数;2.不可数名词感谢您的关注