had written,was written,is written,have written有什么差别?_英语解答

had written,was written,is written,have written有什么差别?

人气：444 ℃　时间：2020-04-28 05:25:46

解答

1.had written是过去完成时态.发生在过去的过去.比如说：“我在他写这类文章之前就已经写过了”.他的文章已经写好了,而我的比他更早写好.就应该是“I had written this kind of essay before he wrote it."2.was wri...