It seems that contrary to the demonstratives' description, the demonstrative pronouns (bisy, kesy) do align to gender and decline - can anyone confirm this?
So long as they are modifying a noun, yes. (I don't believe this is discussed in the course tips and notes.)
The difference is between:
- Bisa vala sȳz issa. = This man is good. (bisa acts as an adjective and agrees with the noun vala.)
- Bisy vala sȳz issa. = This one is a good man. (bisy is in the substantive form, and so does not need to agree with vala.) (sȳz could also instead go before vala; I have kept it in the same place as for the original sentence purely for comparative purposes, and not as a recommendation of positioning.)
For an example from the course with bisy, rather than something I have constructed:
- "Bisy ñuha kepa issa." = "This one is my father."
From the wiki, about demonstratives:
if the demonstrative or interrogative modifies a noun, it goes in the prepositive or postpositive form [declines like an adjective]. If no noun is explicitly stated, the substantive form must be used:
And for which class of adjective:
The demonstratives [this that etc] are all class I adjectives, whereas the interrogatives [which etc] are class II.
Source and more information: https://wiki.dothraki.org/High_Valyrian_Pronouns#Demonstrative_and_interrogative_pronouns