摘要:to do作表语的句型结构 教材原句 What is to be done when something gets into your eyes? 特别提示 be to do结构可以用来表示安排.命令.职责.用途.命中注定要发生的动作等. We are to meet at the school gate. 我们约定在校门口碰头. You are to be back by 10 o’clock. 你得在10点钟前回来. I am to inform you that the meeting will be held in Hang Zhou. 我谨通知你会议在杭州举行. A knife is to cut with. 刀是用来切割的. They were never to meet again. 他们注定永远不会再见面了. 疑难突破

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