ever造句现在完成时 (1) 修饰“最高级＋名词”结构的定语从句中。例如： It is the most interesting film that I have ever seen.那是我所看过的最有趣的电影。 （现在完成时） (2) 具有较强怀疑语气的句子中。 例如： I wonder if he had ever stopped to think how I felt. 我不知道他是否曾经想过我的感受。（这句是过去完成时） ever ever 和 never 表达的是过去一个不明确时间的概念（例如：Have you ever visited Berlin?）ever 和 never 一律放在主要动词（过去分词）前。ever 是用在： 问句中 举例 Have you ever been to England? Has she ever met the Prime Minister? 在否定句 举例 Haven't they ever been to Europe? Haven't you ever eaten Chinese food? 用 nothing + ever 或 nobody + ever 形式的否定句 举例 Nobody has ever said that to me before. Nothing like this has ever happened to us. 带有「the first time」的句子 举例 It's the first time that I've ever eaten snails. This is the first time I've ever been to England. 本文来源：https://www.wddqw.com/doc/4851a2415c0e7cd184254b35eefdc8d376ee14c6.html