4. 现在完成进行时(have/has been doing) 表示某一动作开始于过去某一时间,延续或重复地出现至今,或将继续延续至将来。 例:We have been working on this project for over a month now. 到目前为止,我们一直在处理那个项目,已经花了一个多月时间了。
1. He has lived in Nanjing ___ the year before last. 2. I’ve known him ___ we were children. 3. Our teacher has studied Japanese ___ three years. 4. She has been away from the city ___ about ten years. 5. It’s about ten years ___ she ...
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