have been working 是什么时态

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• 我在这里已经工作2年了（现在还在这里上班）,I have worked here for 2years 还是I have been workinghere for two years?Or both are correct?Are there any differences between them?thank you very much!那么，我已经洗了三个小时的衣服，也是 I have washed clothes for 3 hours 和 I have been washing clothes