these days表示的时态很多，它含有这几天的意思，连用的时态有：一般现在时、现在进行时、现在完成时、现在完成进行时。day的基本意思是“一天”，指二十四小时长的一段时间，是可数名词。
例句
1、These days much of my time is spent weaving my way around drinks parties
这些天，我多半都是在酒会上晃悠过去的。
2、These days all sorts of people were up at the crack of dawn
这些天所有人都一大早就起来。
3、Teachers are up against some major problems these days.
老师们最近面临着一些重大问题。
4、It's quite something to have a job at all these days.
如今能有份工作就该知足了。
5、It's all about money these days.
如今谈的就是钱。