this的复数是these。this用作形容词作“这”解时，用于修饰表示在时间、地点、想法上更接近讲话者的事物或人，也可与包括现在的日子或一段时间的词语连用。this用作代词可用以指叙述中的人或事物，即指前面提到过的人或事物或下文提及的事物；this一般作主语时才指人。
this的复数例句
1. Issues such as these were not really his concern.
他其实并不关心诸如此类的问题。
2. These files have been zipped up to take up less disk space.
这些文档已经进行了压缩，以节省磁盘空间。
3. I was on my own and these fellows came along towards me.
我正一个人走着，一些家伙朝我走过来。
4. I recall many discussions with her on these and kindred topics.
我回想起多次同她就这些问题及类似话题进行的讨论。
5. Somehow he tells these stories without a note of horror.
不知为什么他讲这些故事时一点都不害怕。