过去完成进行时:had been doing 例:The old clock had been being taken apart of and fixed up again for several times by my 10-year old son before I came back home. 我回到家之前,我10岁大的儿子已经把这个旧钟表拆卸并重新组装了好几回了。 14 过去将来进行时...
12.过去完成进行时:had been doing 表示从过去的过去开始,持续到过去的动作或情况,期间一直有规律的在进行、不曾间断,并且有可能会继续延续下去。此时经常用延续性动词。 例:The old cl...
By the time I left the school, he had taught the class for 3 years. 到我毕业时,他已经教那个班三年了. 12. 过去完成进行时:had been doing 表示从过去的过去开始,持续到过去的动作...
had been + [现在分词] 举例: They had been waiting for this moment. 如何使用未来完成进行时态 未来完成进行时态是通过在现在分词之前添加单词 will have been 而形成的。 will have...
Hold the bag：To have responsibility or guilt for something foisted upon oneself; to take the blame for something.对某件事承担责任或感到愧疚；因为某事承担指责。例句：My par...
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