| 词汇 | imperfect |
| 词根词缀 | 词源： 1. Tense/aspect category indicating progressive aspect: I was saying is in the "past imperfect" tense. 2. mid-14c., imperfite, from O.Fr. imparfait, from L. imperfectus "unfinished, incomplete." Replaced mid-16c. by the Latin form. |
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