Articles rules

We use ............................. only before singular nouns.

We use a/an when we talk about something for the first time.

We use ................................... when it is clear which person or thing we are talking about.

We use "a" with singular nouns that start with ...................................

We use "an" with singular nouns that start with ...................................

We use ................................... with musical instruments.

We don't use article with languages.

We use ................................... with most countries.

We use ................................... where there is only one of something for example "world".

We don't use an article with uncountable nouns when we're talking in general, for example "homework".