Plural Forms of Irregular Nouns
Grammar Girl #729. Making Words That End in Y Plural. 'Primer' Pronunciation.
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複数形のみで使用される名詞 / 英語の文法 / アメリカの発音
フランス語複数形のヒントとルール: 間違いを犯すのはやめましょう!
50 Singular and Plural Nouns || Singular and Plural || Learn English
Grammar Girl #594. The Plural of 'Batman.' Why Smart People Struggle with Shakespeare Too.
Picking up some jerks' (yes, plural) dirty underwear from Huntington Ravine
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複数形のみを持つ英語の名詞
Singular and Plural in English Grammar | Singular and Plural Nouns/words 50
Pull Out a Loose Tooth without pain
American vs British English