【同课异构】2018-2019学年外研版高中英语必修3课件：Module 4 Section Two Grammar-302edu教育资源网

Grammar 1 - 2. Observation

There was nothing to be done. I’d like to be told what’s going on. Nothing is allowed to be taken out of the reading room.

to be +动词的过去分词表示被动。不定式一般式所表示的动作通常与谓语所表示的动作或状态同时发生，或在它之后发生。

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