可以。these days是一个常用的时间状语，意为“现在，如今，现今，目前，近来”。表达的是现在时间，句子时态也与现在时间有关。因此可以它用于一般现在时，现在进行时，现在完成时，现在完成进行时等。例如：

1. I get a bit uptight these days. Hormones, I suppose. 

这些天我有点焦躁。我看是荷尔蒙在作怪。

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2. These days work plays an important part in a single woman's life. 

现在，工作在单身女性的生活中起着重要作用。

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3. There's lots of money about these days for schemes like this. 

近来这类计划资金充足。

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4. I find that I need very little sleep these days. 

我发现最近我只需要睡很少时间。

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5. So many things are unsafe these days—milk, cranberry sauce, what have you. 

现如今很多食品都不安全——牛奶、蓝莓酱等等。

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6. There are so many different sorts of mushrooms available these days.

现在可以买到许许多多不同种类的蘑菇。

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7. Everyone is more reluctant to travel these days, not least the Americans. 

这段时间大家都减少了出游的欲望，美国人尤其如此。

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8. He looks well these days. 他这几天脸色好。

《新英汉大辞典》

9. The football team play away these days and play at home next Saturday. 足球队这几天在外地比赛，下星期只在本地比赛。

《21世纪大英汉词典》

10. Oh, thank you. How have you been these days? 谢谢。这段时间你好吗?

11. We've been particularly busy these days. 这些日子我们特别忙。

《新英汉大辞典》

12. I have been fully occupied in compiling this book these days. 这些天来我一直忙于编写这本书。

13. We have been working hard these days. 这些天来，我们一直在努力工作。

14. His temper is going from bad to worse these days. 这些日子，他的脾气愈变愈坏。

15. Even quite big companies are going to the wall these days.  现如今甚至有些大公司也濒临破产。

来自柯林斯例句