Ez a keret új.

In Hungarian, the verb to be is usually left out in the present tense, third person when you are saying something like X is Y.

So:

• Ez a keret új. = This frame is new.
• literally: This frame new.

But in other persons, Hungarian does use the verb:

• Új vagyok. = I am new.
• Új vagy. = You are new.

And in the past or future, the verb also appears:

• Ez a keret új volt. = This frame was new.

Hungarian normally uses a demonstrative like ez (this) together with the definite article before a noun.

So:

• ez a keret = this frame
• literally something like this the frame

This is standard Hungarian structure. English does not do this, but Hungarian does.

A similar example:

• ez a ház = this house
• az a könyv = that book

The form of the article depends on the next word, not on ez.

• a is used before a word beginning with a consonant
• az is used before a word beginning with a vowel

Since keret begins with k, you get:

• ez a keret

Compare:

• ez az asztal = this table

because asztal begins with a vowel.

Ez means this.

In Ez a keret új., ez a keret is one noun phrase meaning this frame.

So the sentence breaks down like this:

• ez a keret = this frame
• új = new

Hungarian often builds noun phrases this way:

• ez a fiú = this boy
• ez a város = this city

This is a very common and important point.

In Ez a keret új., új is not directly modifying the noun inside the noun phrase. It is the predicate adjective: it tells you what the frame is.

So:

• ez a keret új = this frame is new

But if you want new frame as a noun phrase, the adjective goes before the noun:

• új keret = new frame

So compare:

• Ez a keret új. = This frame is new.
• Ez egy új keret. = This is a new frame.

Not exactly.

• Ez a keret új. = This frame is new.

  • You are talking about a specific frame and saying something about it.

• Ez egy új keret. = This is a new frame.

  • You are identifying what the thing is.

So the first sentence is more like:

• topic: this frame
• comment: is new

The second is more like:

• topic: this
• identification: is a new frame

Keret often means frame, such as a picture frame or some kind of surrounding structure. It can also have broader meanings depending on context, such as framework or limits/bounds in some expressions.

In this sentence, though, it is best understood simply as frame.

So for a beginner, the safest reading is:

• keret = frame

A simple learner-friendly pronunciation guide would be:

• Ez ≈ ez with e like in bed
• a ≈ a short open vowel, not like English ay
• keret ≈ KEH-ret
• új ≈ ooj with a long oo

A rough English-style approximation:

• EHZ aw KEH-ret OOY

A few useful pronunciation notes:

• Hungarian stress is usually on the first syllable of each word.
• ú is a long vowel.
• j is pronounced like English y in yes.

So új sounds roughly like ooy.

Yes. A keret is definite, meaning the frame.

When Hungarian says:

• ez a keret

it refers to a specific frame: this frame.

That is why the definite article a appears. Hungarian is very comfortable combining:

• ez
  • a/az
    • noun

So the phrase is naturally definite.

Yes, but changing the word order usually changes the focus or emphasis.

The neutral sentence is:

• Ez a keret új. = This frame is new.

If you change the order, you may highlight something different. For example:

• Új ez a keret.

This can sound more marked, like emphasizing new.

For beginners, the safest pattern is the neutral one:

• Ez a keret új.

Yes. When a demonstrative like ez is used with a noun and the phrase gets a case ending, the demonstrative usually changes too.

For example, in the accusative:

• ezt a keretet = this frame (as a direct object)

Here you can see:

• ez → ezt
• keret → keretet

This is a very common pattern in Hungarian and worth noticing early, even if your original sentence is just the basic nominative form:

• Ez a keret új.