Is or are used in there be sentence pattern?

Is or are used in there be sentence pattern?


Judge by the following nouns



How to answer the general questions of there is
Please know the answer! Thank you first! Look forward to it!


This little classmate seems to have a little difficulty. I'm willing to help others. Let me help you!
Yes, there is
No, there isn't
I see. No, kids



Are there any water in the glass or is there any... Why?


Is there any water in the glass is correct because water is an uncountable noun and the predicate verb should be singular. When we change there be into a general question, we should put it in advance?