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B1 语法 · 动词 · A2–B1
不规则动词：过去式与过去分词
不规则动词不加 -ed。每个动词都有需要成组记忆的过去式和过去分词：go / went / gone。
看清区别
A
Past simple
用于已结束的过去动作
I saw her yesterday.
我昨天见到她了。
B
Past participle
用于完成时和被动语态
I have seen that film.
我看过那部电影。
练一练
Q1 She has ____ her keys. (lose)
Q2 They ____ a great time last night. (have)
Q3 I’ve ____ that book before. (read)