I do feel like my answer should've been accepted, "How many have you", but I suppose that must be too archaic
Well, it worked for me: that's how I answered and my answer was accepted as correct.
Assuming I'm understanding this correctly, atá = a + tá ... these sentences are all using "tá + preposition to mean "to have", the question words require the 'a' to indicate... that there's an object to them? I don't remember what the word is that refers to this.
So you're saying "How much (of that thing) do you have?" ... so you have to use the "a" (to mean "of that thing"), but because it's followed by "tá", you smoosh the words together to form "atá".
Cá on it's own means "where", but when paired with other words takes on other meanings, for example "Cá fhad" for how long. It's all a bit confusing.
it seems that cá has an abundance of meanings depending on what it is paired with, and in this particular instance combines to mean "how many"
would the structure stay the same for other pronouns : like " how many does he have" =" cá mhéad atá aige?" or does atá change?
The verb doesn't change, only the prepositional pronoun. Cá mhéad atá aige?
English much and many are used differently but in this exercise both are correct as tried both. Is there a way to show meaning and I am guessing context of what you are talking about.