【问】 我已知道,could表示潜能。I could pass the examination.是说“我曾有能力通过考试。”,而不是指“我成功地通过了考试”。而I was able to pass the examination.则是指“我确实成功地通过了考试”。也就是说,was(were) able to是强调动作的完......(本文共 444 字) [阅读本文] >>
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 【问】 我已知道,could表示潜能。I could pass the examination.是说“我曾有能力通过考试。”,而不是指“我成功地通过了考试”。而I was able to pass the examination.则是指“我确实成功地通过了考试”。也就是说,was(were) able to是强调动作的完......(本文共 444 字) [阅读本文] >>