...d himself ___ (tail) by a man in black.我不确定应该填 tailed 还是
being tailed。我知道有 find + sb doing sth 和 find + sb/sth done 的结构,但不太清楚 find + sb/sth being done 是否也是一个正确的结构?
The catalyst has been applied in two styrene plants with a capacity of
400,000 tons/year each.The catalyst has been applied in two styrene plants with a capacity of
400,000 tons/year.The catalyst has been applied in two styrene plants with capacities of
400,000 tons/year each.请问,这三句都...
...思考搜寻,还会看到一些地方列出了如下用法:see sb/sth being done (看到……正在被,片段性,https://www.cpsenglish.com/question/55791)在被动语态下,会看到如下用法:sb/sth be seen to dosb/sth be seen doing那么请问,是否存在:sb/sth be seen done...
Were it not for the adoption of the open policy, things ________what
they are today. A. would never be B.would never have been为什么给出的答案是B呢?从句不是与现在事实相反,主句也没有出现和过去有关的时间词吗?