Die Pommes sind heiß.

Here, die is the plural definite article, meaning the.

A very common beginner confusion is that die can mean either:

• the for a feminine singular noun, or
• the for any plural noun

In Die Pommes sind heiß, it is plural, because Pommes means fries.

Because Pommes is treated as plural here.

The verb sein changes depending on the subject:

• ich bin
• du bist
• er/sie/es ist
• wir sind
• ihr seid
• sie/Sie sind

Since die Pommes is plural, German uses sind.

So:

• Die Pommes sind heiß. = The fries are hot.
• Die Suppe ist heiß. = The soup is hot.

In everyday German, Pommes usually refers to French fries as a plural or mass-like food item.

Most of the time, learners should simply treat Pommes as plural in normal sentences:

• Die Pommes sind lecker.
• Die Pommes sind heiß.

You may sometimes hear a singular use like eine Pommes for one individual fry, but that is much less important for beginners. In practice, Pommes is very often used as a plural food word.

Because heiß comes after the verb sein and works as a predicate adjective.

In German:

• Adjectives before a noun usually take endings
  
  • heiße Pommes
• Adjectives after verbs like sein, werden, or bleiben do not take endings
  
  • Die Pommes sind heiß.

So:

• die heißen Pommes = the hot fries
• Die Pommes sind heiß. = The fries are hot.

That difference is very important in German.

Here, heiß means hot in temperature.

For food, this means it is physically hot, not cooled down.

A useful distinction:

• heiß = hot
• warm = warm
• kalt = cold

Also, English speakers sometimes wonder whether hot could mean spicy. In German, heiß usually does not mean spicy. For spicy food, German normally uses scharf.

So:

• Die Pommes sind heiß. = The fries are hot.
• Die Soße ist scharf. = The sauce is spicy.

Because Pommes is a noun, and all nouns are capitalized in German.

So in this sentence:

• Pommes = noun → capitalized
• heiß = adjective → not capitalized

This is one of the most noticeable spelling rules in German.

In this sentence, die sounds natural because it refers to the specific fries being talked about.

For example, maybe someone has just served them, touched them, or warned you about them.

Without the article, Pommes sind heiß is possible in some special contexts, but it sounds more general, less conversational, or like a general statement. For normal everyday speech about a particular portion of fries, Die Pommes sind heiß is the most natural version.

A common pronunciation is approximately:

• die → dee
• Pommes → POM-es
• sind → roughly zint
• heiß → sounds like hice

A rough full pronunciation: dee POM-es zint hice

A few notes:

• s in sind sounds like z at the start
• ei in heiß sounds like English eye
• ß in heiß sounds like ss

The letter ß is called Eszett or scharfes S.

In modern German spelling, ß is often used after a long vowel or diphthong, and hei in heiß has the ei sound, so the spelling is heiß.

It is pronounced like ss, not like a z.

So:

• heiß sounds like hice
• the ß does not change the meaning here; it is just the correct spelling

If you cannot type ß, people often write ss, but the standard spelling is heiß.

Yes, but that would not be the same kind of sentence.

• Die Pommes sind heiß. = a full sentence: The fries are hot.
• die heißen Pommes = a noun phrase: the hot fries

So the first one makes a statement. The second one names or describes the fries, but by itself it is not a complete sentence.

Compare:

• Die Pommes sind heiß.
• Ich esse die heißen Pommes.

This is very standard German word order for a simple statement:

Subject + verb + adjective/complement

• Die Pommes = subject
• sind = verb
• heiß = predicate adjective

So the structure is very similar to English:

• The fries are hot.
• Die Pommes sind heiß.

This makes it a good beginner sentence because the word order is straightforward.