1.You have sitten here and written a novel for hours. Why do you love writing so much?
你坐在这里写小说已经有好几个小时了,你怎么这么喜欢写作呢?。
2.a: what are you thinking now? you have sitten here for hours without doing anything.
在想什么呢?你坐在这里好几个小时了什么也不干?