"现在她要走了"用英语怎么说?

这要看语境：
1.若是因某种原因马上要走：She must/has to go now.
2.若是自然而然，如做完了某件事，走：She's leaving now

now that she's going
(根据林俊杰歌名改编的）

She will go now
现在她要走了

She'leaving now./She's moving now

She is leaving ,Now!

Now she is leaving.