A la llista hi ha formatge, ous, verdura i carn.

A la llista means on the list.

Catalan often uses a in places where English uses on. So:

• a la llista = on the list
• literally, it looks more like at the list, but the real meaning is on the list

La is there because llista is a feminine singular noun.

Hi ha means there is or there are.

In this sentence:

• hi ha formatge = there is cheese
• hi ha ous = there are eggs

Catalan uses the same form, hi ha, for both singular and plural nouns.

Because hi ha is a fixed expression meaning there is / there are.

The little word hi is a locative pronoun, and together with ha it forms the normal Catalan existential structure:

• Hi ha un llibre. = There is a book.
• Hi ha llibres. = There are books.

So for a learner, it is best to treat hi ha as one whole unit.

Because hi ha stays the same whether the thing mentioned is singular or plural.

So Catalan says:

• Hi ha formatge. = There is cheese.
• Hi ha ous. = There are eggs.

Unlike English, Catalan does not switch from there is to there are here. Hi ha works for both.

Because in a list like this, Catalan often uses bare nouns when talking about items in a general way.

So:

• formatge = cheese
• ous = eggs
• verdura = vegetables / greens
• carn = meat

This is very natural for lists, especially shopping-list style language.

If you added articles, it would sound more specific or context-dependent:

• el formatge = the cheese
• els ous = the eggs

But here the sentence is just naming categories of things on the list.

Because verdura is often used as a collective noun in Catalan.

So even though English commonly says vegetables in the plural, Catalan can say:

• verdura = vegetables / greens / produce of that type

This is very normal. It refers to the category as a whole, not necessarily to one single vegetable.

Here it is being used as an uncountable or general noun: cheese as a food category.

So:

• formatge here means cheese in general
• it does not necessarily mean one cheese

This is similar to English:

• There is cheese on the list
  not necessarily
• There is one cheese on the list

The same idea applies to carn = meat.

Yes. That is also grammatical.

The original sentence:

• A la llista hi ha formatge, ous, verdura i carn.

puts A la llista first for emphasis or topic, like As for the list... or On the list...

A more straightforward order is:

• Hi ha formatge, ous, verdura i carn a la llista.

Both are correct. The original version sounds very natural and highlights the location first.

In standard pronunciation, h is silent.

So hi ha is pronounced roughly like:

• ee AH

The two parts are separate but flow together naturally.

A rough guide:

• hi sounds like ee
• ha sounds like ah

So the whole thing is approximately ee AH.

Ous is pronounced roughly like ohs, but with a slight glide, close to ows in many descriptions.

A simple learner-friendly approximation is:

• ous ≈ ohs / ows

The important thing is that it is one syllable.

Because Catalan normally does not use a serial comma before the final i in a simple list.

So this is standard:

• formatge, ous, verdura i carn

not usually:

• formatge, ous, verdura, i carn

This is similar to English when the serial comma is omitted.

I means and.

So the list is:

• formatge = cheese
• ous = eggs
• verdura = vegetables
• carn = meat

with i joining the last item:

• verdura i carn = vegetables and meat

The genders are:

• el formatge = masculine
• els ous = masculine plural
• la verdura = feminine
• la carn = feminine

In this sentence, gender is not very visible because the nouns appear without articles. But gender still matters if you use articles, adjectives, or other words that agree with them.

For example:

• la carn fresca = the fresh meat
• el formatge fresc = the fresh cheese

It is perfectly natural.

It sounds like something you could say when talking about what appears on a list, especially a shopping list:

• A la llista hi ha formatge, ous, verdura i carn.

It is a complete, normal sentence in Catalan.