past participle是什么意思
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在英式英语和美式英语中,过去分词的不规则形式作形容词用 (of verb tenses)posed of has/have or had+ past participle
(指动词时态)完成式的(由has/have或had+过去分词组成) Strew is most monly used in the past participle form strewn.
strew多见于其过去分词形式strewn. Prove and shave have alternative past participle forms