Im Gefrierfach liegt noch Eis, aber meine Brotdose steht schon auf dem Tisch.

Im is just the contraction of in dem.

• in dem Gefrierfach = im Gefrierfach
• This contraction is very common in everyday German.

So:

• im = in + dem
• am = an + dem
• vom = von + dem
• zum = zu + dem

Using im here sounds natural and normal.

Because in a German main clause, the finite verb usually has to be in second position.

Here, the first element is Im Gefrierfach. That takes position 1, so the verb liegt must come next:

• Im Gefrierfach = position 1
• liegt = position 2
• noch Eis = the rest

This is a very common pattern in German. If you start with something other than the subject, the subject usually comes after the verb.

Compare:

• Eis liegt noch im Gefrierfach.
• Im Gefrierfach liegt noch Eis.

Both are possible, but the second one emphasizes the location first.

German often uses different position verbs depending on how something is situated.

• liegen = to lie, to be lying, to be located in a horizontal or non-upright way
• stehen = to stand, to be standing upright
• sitzen = to sit, for some things/people in a seated or fitted position

So:

• Eis liegt im Gefrierfach: the ice is thought of as lying there / being there
• die Brotdose steht auf dem Tisch: the lunchbox is imagined as standing on the table

German uses these verbs more often than English does. English often just says is, but German prefers a more specific verb when possible.

Because this sentence describes location, not movement.

The preposition auf is a two-way preposition. That means it can take:

• dative for location: where?
• accusative for direction/movement: where to?

Here, the lunchbox is already on the table:

• auf dem Tisch = on the table → location → dative

Compare:

• Die Brotdose steht auf dem Tisch. = The lunchbox is on the table.
• Ich stelle die Brotdose auf den Tisch. = I put the lunchbox onto the table.

The same idea applies to in:

• im Gefrierfach = in the freezer compartment → location
• ins Gefrierfach = into the freezer compartment → movement

They add a time-related nuance.

• noch here means still
• schon here means already

So the sentence suggests a contrast:

• there is still ice in the freezer compartment
• but my lunchbox is already on the table

This can imply something like: one thing is still in its old place, while the other has already been moved/prepared.

These two words are extremely common in German, and their exact meaning depends a little on context, but still and already are good translations here.

In German, mass nouns often appear without an article when speaking in a general or indefinite way.

So Eis here means something like:

• some ice
• ice

That is why noch Eis is natural.

If you add an article, the meaning changes:

• noch Eis = still some ice / still ice
• noch das Eis = still the ice (a specific ice already known from context)

In this sentence, the article is simply not needed.

Because aber does not count as occupying the first position in the clause.

German main clauses still need the finite verb in second position, but conjunctions like aber, und, oder, denn stand outside that position structure.

So in:

• ..., aber meine Brotdose steht schon auf dem Tisch.

the second clause itself begins with:

1. meine Brotdose
2. steht

That is why the subject comes before the verb here.

Compare with a true first-position element:

• Auf dem Tisch steht meine Brotdose.

Here Auf dem Tisch takes first position, so the verb comes before the subject.

Because Brotdose is:

• feminine: die Brotdose
• singular
• in the nominative case here, because it is the subject of the clause

The possessive mein- changes its ending depending on gender, number, and case.

For the nominative singular:

• mein for masculine: mein Tisch
• meine for feminine: meine Brotdose
• mein for neuter: mein Buch

So meine Brotdose means my lunchbox.

Gefrierfach is a compound noun:

• gefrieren = to freeze
• das Fach = compartment, section

So das Gefrierfach means freezer compartment or freezer section.

It can refer to:

• the small freezer compartment inside a fridge
• sometimes a freezer drawer/section, depending on context

German uses compound nouns very freely, so it is common to see words like this built from smaller parts.

Brotdose is also a compound noun:

• das Brot = bread
• die Dose = container, tin, box

So die Brotdose means something like:

• lunchbox
• food container
• literally, a bread box/container

In everyday German, it often refers to the box someone takes to school or work with sandwiches or snacks inside.

Yes, that would be grammatical, but it sounds a bit different.

• Im Gefrierfach liegt noch Eis focuses on the location and uses a natural position verb.
• Es gibt noch Eis im Gefrierfach means There is still ice in the freezer compartment and focuses more on existence/availability.

Both are possible, but liegt feels very natural when talking about where something is physically located.

Because in German, all nouns are capitalized.

So:

• das Gefrierfach
• das Eis
• die Brotdose
• der Tisch

This is one of the most noticeable spelling features of German. It helps you identify nouns quickly when reading.