求say,study,的单三式,现在分词和过去式.
问题描述：
求say,study,的单三式,现在分词和过去式.
答
say:says,saying,said
study:studies,studying,studied
ay结尾不必去y+ies;y结尾不用去y+ing，e结尾才这样。
答
says saying said ;studies studying studied
答
say -says-saying-said
study-studies-studying -studied
答
says,studies
saying,studying
said,studied
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