Sie legt die Handcreme neben die Seife.

At the beginning of a sentence, sie is always capitalized, so Sie here is ambiguous by form alone.

Depending on context, it could mean:

• she
• they
• formal you

So you need the surrounding context to know which one it is. If this word appeared in the middle of a sentence, the difference would be clearer:

• sie = she or they
• Sie = formal you

In this sentence by itself, the capitalization does not tell you which meaning it has.

The sentence follows a very common German pattern:

• Sie = subject
• legt = verb
• die Handcreme = direct object
• neben die Seife = prepositional phrase

So the structure is:

Subject + Verb + Object + Prepositional phrase

German main clauses usually put the finite verb in second position, and that is exactly what happens here with legt.

legt comes from the infinitive legen.

legen usually means to lay, to put, or to place something somewhere.

So legt is the 3rd person singular present tense form, used with:

• er
• sie
• es
• formal Sie

Examples:

• Ich lege = I put / I lay
• Du legst = you put
• Sie legt = she puts / they put? No, they put would be sie legen
• Er legt = he puts

In this sentence, legt means something like puts or places.

die Handcreme is in the accusative case because it is the direct object of legen.

The thing being put is the hand cream, so that is the direct object.

Also, Handcreme is a feminine noun:

• nominative: die Handcreme
• accusative: die Handcreme

For feminine singular nouns, the article die stays the same in nominative and accusative, so you do not see a change here.

Good question. neben is a two-way preposition (Wechselpräposition), which means it can take either:

• accusative for movement toward a destination
• dative for location

Here, the sentence describes putting something next to the soap. There is a change of position, so German uses accusative:

• neben die Seife = next to the soap, as a destination

Compare:

• Sie legt die Handcreme neben die Seife.
  She puts the hand cream next to the soap.
  → movement / placement → accusative

• Die Handcreme liegt neben der Seife.
  The hand cream is lying next to the soap.
  → location / no movement → dative

So die Seife is accusative because the sentence is about where the hand cream is being placed.

This is a very common learner question.

• legen = to lay / put something somewhere
  
  • transitive: it takes an object
• liegen = to lie / be lying
  
  • intransitive: no direct object

In this sentence:

• Sie legt die Handcreme neben die Seife.
  She puts the hand cream next to the soap.

After the action is complete, you could describe the result with liegen:

• Die Handcreme liegt neben der Seife.
  The hand cream is lying next to the soap.

So:

• legen = the action of placing
• liegen = the state afterward

Because in German, all nouns are capitalized.

So:

• die Handcreme
• die Seife

This is true no matter where the noun appears in the sentence.

That is one of the most noticeable spelling differences between German and English.

Yes. German very often forms compound nouns, and they are usually written as one word.

So:

• Hand = hand
• Creme = cream
• Handcreme = hand cream

English often uses two words where German uses one compound noun.

Other examples:

• Zahnbürste = toothbrush
• Kühlschrank = refrigerator
• Waschmaschine = washing machine

So Handcreme as one word is completely normal German.

Yes, German word order is flexible, but this version is the most straightforward.

The sentence

Sie legt die Handcreme neben die Seife.

sounds natural and neutral.

You can move parts around for emphasis, but the finite verb still stays in second position in a main clause. For example:

• Neben die Seife legt sie die Handcreme.
• Die Handcreme legt sie neben die Seife.

These are grammatically possible, but they sound more marked or emphasize a particular part of the sentence.

So the original sentence is the most neutral way to say it.

Yes. German present tense often covers both the simple present and the present progressive that English distinguishes.

So:

• Sie legt die Handcreme neben die Seife.

can mean:

• She puts the hand cream next to the soap
• She is putting the hand cream next to the soap

The exact meaning depends on context. German usually does not need a separate form for is putting.

You usually learn the noun together with its article:

• die Handcreme
• die Seife

Both are feminine nouns.

Unfortunately, gender in German is not always predictable, so it is best to memorize nouns with their articles from the beginning.

That said, some endings often suggest feminine nouns. For example, many nouns ending in -e are feminine, and Seife is feminine. But this is only a tendency, not a perfect rule.

Yes, but not in this sentence with this meaning.

You use neben der Seife when you are describing location, not placement.

Compare:

• Sie legt die Handcreme neben die Seife.
  She puts the hand cream next to the soap.
  → destination → accusative

• Die Handcreme steht / liegt neben der Seife.
  The hand cream is next to the soap.
  → location → dative

So neben der Seife is correct in the right context, but not when the sentence describes actively putting something there.