摘要：17 将来完成时 1) 构成will / be going to do sth. 2) 概念 a. 状态完成:表示某事继续到将来某一时为止一直有的状态. b. 动作完成:表示将来某一时或另一个将来的动作之前.已经完成的动作或一获得的经验. They will have been married for 20 years by then. You will have reached Shanghai by this time tomorrow.

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