Das Negativ liegt neben dem Flachbettscanner.

Negativ is a neuter noun in German, so its nominative singular article is das.

• das Negativ = the negative

This is something you usually just have to learn with the noun. In German, every noun has a grammatical gender:

• der = masculine
• die = feminine
• das = neuter

Here, das Negativ is the subject of the sentence.

Here, Negativ means a photographic negative, not a negative opinion or a minus sign.

German often uses the same word in different contexts, just like English does with negative. In this sentence, the context makes it clear that it is the film/photo meaning, especially because it is next to a Flachbettscanner.

German often uses different verbs for the position of things, where English often just says is.

• liegen = to lie, to be lying, to be located in a horizontal position
• stehen = to stand, to be standing
• sitzen = to sit
• sein = to be

So Das Negativ liegt neben dem Flachbettscanner is more natural than using ist, because a photo negative is thought of as lying flat.

Compare:

• Das Buch liegt auf dem Tisch. = The book is lying on the table.
• Die Flasche steht auf dem Tisch. = The bottle is standing on the table.

English usually says is, but German often chooses a more specific position verb.

The preposition neben can take either the dative or the accusative, depending on meaning.

Here it describes location and answers the question where?, so it takes the dative:

• neben dem Flachbettscanner = next to the flatbed scanner

If it described movement toward something, it would take the accusative:

• Ich lege das Negativ neben den Flachbettscanner. = I put the negative next to the flatbed scanner.

So:

• where? → dative
• where to? / movement? → accusative

dem Flachbettscanner is in the dative singular.

You can tell because:

1. neben is a two-way preposition
2. in this sentence it shows location, not movement
3. the masculine/neuter dative singular article is dem

Since Flachbettscanner is masculine (der Flachbettscanner), the dative form is:

• dem Flachbettscanner

The noun is der Flachbettscanner, so it is masculine.

This is a compound noun:

• Flachbett = flatbed
• Scanner = scanner

In German compound nouns, the last part usually determines the gender. Since der Scanner is masculine, der Flachbettscanner is also masculine.

That is why:

• nominative: der Flachbettscanner
• dative: dem Flachbettscanner

Yes, in German it is normal to write this as one compound noun: Flachbettscanner.

German very often combines nouns into one word:

• das Fotoalbum
• der Computertisch
• der Flachbettscanner

English often writes these as separate words, but German usually joins them together. This is very common and very important for reading German naturally.

Because all nouns are capitalized in German.

So in this sentence:

• das Negativ
• dem Flachbettscanner

are capitalized because they are nouns.

This is one of the easiest ways to spot nouns when reading German.

The sentence follows normal German main-clause word order:

• Das Negativ = subject
• liegt = verb
• neben dem Flachbettscanner = prepositional phrase

So the pattern is:

Subject + verb + other information

This is very common in simple German statements.

A simple approximate pronunciation is:

dahs nay-gah-TEEF leekt NAY-ben daym flakh-bet-SKAN-er

A few notes:

• Das sounds like dahs
• Negativ is stressed on the last syllable: nega-TIV
• liegt has a long ie sound, like leekt
• neben is stressed on the first syllable: NEben
• dem sounds like daym
• Flachbettscanner is stressed mainly on SCAN

If you want to sound more natural, focus especially on:

• long ie in liegt
• correct stress in Negativ
• the ch in Flach, which is a sound English does not really have

Yes, people would understand it, and it is not completely wrong. But liegt is more natural and idiomatic in German for an object like a photographic negative that is resting flat somewhere.

So:

• Das Negativ ist neben dem Flachbettscanner. = understandable
• Das Negativ liegt neben dem Flachbettscanner. = more natural German

German often prefers a position verb where English would just use is.