Because i have been working

Because i have been working because i have been died. i have been working lots as I have been working for two days. I have been working here ____ years. Because I never have been there before. I have been working for an hour. I have working for an hour. 关于I have been working all morning这句子的! shows how much I have been working lately什么 意思 I have been working busily all morning.busily可以放在WORKING前吗 have been working 是什么时态 Have you been working on the project?__.I will have a rest i