A と an 1 a と anの使い分け 母音で始まる場合はaを、子音で始まる場合はanを使用します。 eg a car, an apple 一部の単語は、綴りが母音から始まっても発音は子音から始まるのでaを使用しするので注意が必要です。 eg a u niform, a E uropean 2 最初に言及するときGoogle Analytics lets you measure your advertising ROI as well as track your Flash, video, and social networking sites and applicationsIf you ever wondered what are duolingo lexemes these are lexeme_ids from our extended profiles and they are actually neither lexemes nor words since they include all word forms and they also include combined lexemes such as "bonne nuit" in the French course, and there are a few duplicates as well, but the total number is consistent across all users having completed 冠詞 A と An の違い 略語の場合はどう付ける えいごのこと Aとanの使い方