Could vs Was able to - English In A Minute

英文法：「could」と「was able to」の違い【英作文会話コミュニティ】

COULDとWAS ABLE TOの使い方（英文法）例文付き

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Can Can't Cannot | Learn English Grammar | Basic English Lesson by Woodward English

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Could vs. Was / Were Able to - English Grammar

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「まさに忍者!!」長谷川唯がチェルシーサポに嫌われるくらいポジショニングが凄かった試合！！

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Yesung wasn't able to ask question...