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Helen ,where is your homework?Sorry,Miss.Read .I ( )some of it last night ,but I ( )yet
人气:324 ℃ 时间:2020-01-27 19:24:50
解答
Helen ,where is your homework?Sorry,Miss.Read .I ( did )some of it last night ,but I ( haven't finished doing it )yet
不明白的再问哟,请及时采纳,多谢!再问你一个问题好了,have knew 与have known 是分别用于那个时态know 的过去式是: knew; 过去分词是 : known 所以没有 have knew 结构,而 have known是现在完成时的结构现在完成时时,不是用have 加上过去是吗?主语+ 过去式 构成一般过去时有没有一些动词的过去分词与过去式一样有的,如: buy-bought-bought;bring-brought-brought, read-read-read 等
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