What are the different parts of speech of 这么?
No, it's not always a pronoun. &quot;这么/那么&quot; can be an adverb, and you already gave the examples.
她这么漂亮！she is SO beautiful! （adverb）
今天这么热。Today is SO hot. (adverb)
这张桌子原来就这么放的。The desk was put in this way (pronoun)
有些人不是这么想。Some people doesn't think about it this way (pronoun)
他们必须这么说。They have to say that (pronoun)