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8.现在完成进行时 概念: 表示从过去某一时间开始持续到现在的动作.这一动作可能是刚刚开始,也可能仍在继续,并可能延续到将来. 构成: 主语 + 助动词 (have / has ) + been + 动词-ing +… 如: 1. I have been sitting here for an hour. 2. She has been collecting stamps for about 6 years. (责任编辑：admin) |
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8.现在完成进行时 概念: 表示从过去某一时间开始持续到现在的动作.这一动作可能是刚刚开始,也可能仍在继续,并可能延续到将来. 构成: 主语 + 助动词 (have / has ) + been + 动词-ing +… 如: 1. I have been sitting here for an hour. 2. She has been collecting stamps for about 6 years. (责任编辑：admin) |