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什么是主语+be(was、were)加现在分词?

来源:学生作业帮 编辑:神马作文网作业帮 分类:英语作业 时间:2024/09/23 19:16:05
什么是主语+be(was、were)加现在分词? I was watching TV then.是吗?
什么是主语+be(was、were)加现在分词?
解题思路: I was watching TV then.我那时正在看电视。
解题过程:
"主语+be(was、were)+现在分词"是过去完成时的构成形式。表示过去某个时刻或某一阶段正在进行的状态或动作。例如:
We were watching TV from seven to nine last night. 昨天晚上七点到九点的时候我们在看电视。
What was she doing at nine o‘clock yesterday? 昨天晚上九点她在做什么?
While he was waiting for the bus, he was reading a newspaper.他边等车边看报。
最终答案:略