could
UK
US
Paraphrase
分析词义
"Could" 是一个模态动词，表示过去能力、请求许可、可能性等情境。
列举例句
词根分析
"Could" 是来自于 "can" 的过去式。
词缀分析
"Could" 是一个完整的词，没有词缀。
发展历史和文化背景
"Could" 是古英语 "cūðe" 的现代英语形式，更早前是 Proto-Germanic "kunþai" 的派生。
单词变形
"Can" (现在时态能力)，"Could" (过去时态能力)
记忆辅助
记住 "could" 是 "can" 的过去式，是描述过去的能力，请求，和可能性。
小故事
Mary went on a time travel adventure. Back in the 80s, she could see her parents as teenagers.
玛丽进行了一次时光旅行。在80年代，她还看到她的父母像十几岁的孩子一样。
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