一个句子里面为什么有两个过去式?例一:The poor boy without parents [was] [sent] to a children's home.(这又与was doing有什么区别)例二:He realized he [had] [made] a mistake.例三:He has worked in Shanghai for one year.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 13:15:59
![一个句子里面为什么有两个过去式?例一:The poor boy without parents [was] [sent] to a children's home.(这又与was doing有什么区别)例二:He realized he [had] [made] a mistake.例三:He has worked in Shanghai for one year.](/uploads/image/z/6955114-58-4.jpg?t=%E4%B8%80%E4%B8%AA%E5%8F%A5%E5%AD%90%E9%87%8C%E9%9D%A2%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9C%89%E4%B8%A4%E4%B8%AA%E8%BF%87%E5%8E%BB%E5%BC%8F%3F%E4%BE%8B%E4%B8%80%EF%BC%9AThe+poor+boy+without+parents+%5Bwas%5D+%5Bsent%5D+to+a+children%27s+home.%28%E8%BF%99%E5%8F%88%E4%B8%8Ewas+doing%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB%29%E4%BE%8B%E4%BA%8C%EF%BC%9AHe+realized+he+%5Bhad%5D+%5Bmade%5D+a+mistake.%E4%BE%8B%E4%B8%89%EF%BC%9AHe+has+worked+in+Shanghai+for+one+year.)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 13:15:59