【題目】寫出下列名詞的復(fù)數(shù)形式。

【1】watch ___________

【2】knife___________

【3】table___________

【4】day___________

【5】sandwich___________

【答案】

【1】watches

【2】knives

【3】tables

【4】days

【5】sandwiches

【解析】

【1】watch（手表）的復(fù)數(shù)形式屬于以-x，-s，-sh，-ch結(jié)尾的規(guī)則變化形式，其復(fù)數(shù)形式加-es，即watches。故答案為watches。

【2】knife（刀）的復(fù)數(shù)形式屬于中以f/fe結(jié)尾的規(guī)則變化形式，其復(fù)數(shù)形式變f/fe為ves，即knives。故答案為knives。類似的單詞有leaf—leaves（葉子），wolf—wolves（狼）。

【3】table（桌子）的復(fù)數(shù)形式屬于規(guī)則變化的一般情況，直接加-s，即tables，故答案為tables。

【4】day（天）是元音字母a+y結(jié)尾的單詞，復(fù)數(shù)形式屬于規(guī)則變化的一般情況，直接加-s，即days，故答案為days。

【5】sandwich（三明治）的復(fù)數(shù)形式屬于規(guī)則變化，以-x，-s，-sh，-ch結(jié)尾，加-es，即sandwiches。故答案為sandwiches。

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