when he found he _(smoke)in his room 动词过去式后be动词什么时态

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whenhefoundhe_(smoke)inhisroom动词过去式后be动词什么时态whenhefoundhe_(smoke)inhisroom动词过去式后be动词什么时态whenhefoundh

when he found he _(smoke)in his room 动词过去式后be动词什么时态
when he found he _(smoke)in his room 动词过去式后be动词什么时态

when he found he _(smoke)in his room 动词过去式后be动词什么时态
首先这道题不应考虑BE动词的问题,是要用somke的适当形式填空.而smoke则取决于它是做谓语还是非谓语的,显然find sb doing sth 要求的是find 做谓语,sb做为代词在谓语后,应用宾格 ,smoking才可做为分词.
而在此题中,he为主格,那就是说,smoke为谓语,所以应考虑时态或语态问题,又根据前句时态为found,所以应用过去进行时:was smoking.说白了这是一个复合句,whenz引出时间状语从句,he 为主句.