名词单数变复数Р--What are these?Р--What’s this?Р--It’s a pen.Р--They are pens.Р--What are those?Р--What’s that?Р--It’s an English book.Р--They are English books.Р单数Р复数Р可数名词Р如何变化?Р规则变化Р不规则变化Р规则变化РboxР2. 以s, x, ch, sh等结尾的名词,? 在词尾加-es构成复数形式。РboxesРclassРclassesРwatchРwatchesРbrushРbrushesРsРxРshРchР2.РbusРbusesРfoxesРfoxР(狐狸)РdishР(盘子)РdishesР3. 以“辅音字母+y”结尾的名词,应改y为i,再加-es。РfamilyРfamiliesРcomediesРcomedyР(喜剧)РyРyРlРdР3.Р4. 以“元音字母+y”结尾的名词,直接在词尾加-s构成复数形式。РboyРboysРdayРdaysРoРaРyРyР4.
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