什么时候用has或had

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o(╯□╰)o “have designs on”的用法解析“have designs on sb”有着特定的含义,它可以表示企图占有某人,或者存心与某人发生性关系,亦或是对某人存心不良。其英文解释为“to want to start a sexual relationship with sb”。比如,“His colonel had designs on his wife.”,意思就是“他的上校在打他妻子的主意。”再如,“I think...

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时态里时空折叠:为何“遇见之前”要用had never seen?B. had never seen(过去完成时·时光里的空白格)过去完成时的"had+过去分词",像藏在记忆深处的底片——在某个过去时刻之前,一切都是空白。举一个例子:去年生日我收到一条围巾,后来才知道是暗恋我的人送的。Before that day, I had never known(在那天之前,我从未知道)。这种"在过...