Jeg søger efter min nøgle i tasken.

In Danish, søge can mean several things, including to search, to seek, or even to apply for.

When you mean look for / search for a physical thing, Danish very often uses:

søge efter + something

So:

Jeg søger efter min nøgle = I am searching for my key

If you say just jeg søger, it can sound incomplete, or it may suggest a broader meaning like I seek or I am applying depending on context.

That said, in everyday speech, many Danes would more naturally say:

Jeg leder efter min nøgle.

That is often the most common everyday way to say I’m looking for my key.

Both can mean looking for or searching for, but they do not always feel exactly the same.

• leder efter is the most common everyday phrase for looking for a lost object.
• søger efter can sound a little more formal, deliberate, or written.

So in normal conversation, a Dane is very likely to say:

Jeg leder efter min nøgle i tasken.

But Jeg søger efter min nøgle i tasken is still understandable and correct.

Because nøgle is a common-gender noun in Danish.

Danish has two grammatical genders:

• common gender: takes en
• neuter: takes et

The noun is:

• en nøgle = a key

Because it is an en-word, the possessive form is:

• min nøgle = my key

Compare:

• en nøgle → min nøgle
• et hus → mit hus

So mit nøgle would be wrong.

Tasken is the definite form of taske.

• en taske = a bag
• tasken = the bag

In Danish, the definite article is usually added to the end of the noun as a suffix:

• en bil → bilen
• en nøgle → nøglen
• en taske → tasken

So:

i tasken = in the bag

If you said i en taske, that would mean in a bag.

In this sentence, i tasken most naturally tells you where the searching is happening: you are searching in the bag.

So the sense is:

I am searching for my key in the bag.

However, as in English, context can sometimes make things ambiguous. If you want to be extra clear that the key is the thing located in the bag, you might rephrase the sentence.

For example:

• Jeg søger efter min nøgle, som er i tasken.
  = I’m looking for my key, which is in the bag.

But in the original sentence, the usual reading is that the bag is the place you are searching.

Because Danish does not form the present tense the same way English often does.

English says:

• I search
• I am searching

Danish often uses the simple present for both ideas:

• Jeg søger = I search / I am searching
• Jeg leder = I look for / I am looking for

So Danish does not need a separate word like am here.

The basic form is søge.

Here are some useful forms:

• at søge = to search / to seek
• jeg søger = I search / I am searching
• søgte = searched
• har søgt = have searched

Examples:

• Jeg søger efter min nøgle.
• Jeg søgte efter min nøgle i går.
• Jeg har søgt efter min nøgle hele morgenen.

A useful thing to notice: in the present tense, Danish verbs do not change for different persons.

• jeg søger
• du søger
• han/hun søger
• vi søger

The form stays the same.

Yes — and many learners should probably know that this is the more natural everyday choice.

• Jeg søger efter min nøgle i tasken = correct
• Jeg leder efter min nøgle i tasken = also correct, and often more idiomatic in daily speech

If you are talking about a lost item like keys, wallet, phone, glasses, etc., leder efter is extremely common.

These words can be tricky because of ø and the soft Danish pronunciation.

A rough guide:

• søger sounds something like SUH-yer or SUR-yer, but with a rounded vowel that English does not really have
• nøgle sounds roughly like NUR-gleh or NUH-gluh, again with the Danish ø

A few points:

• ø is a front rounded vowel; English does not have an exact match
• the g in søger is soft
• nøgle is often pronounced in a very reduced, smooth way in real speech

If you are learning pronunciation, it is best to listen to native audio for:

• søge
• søger
• nøgle
• tasken

Because i means in/inside, which fits a bag.

• i tasken = in the bag
• på tasken = on the bag

So if the key is somewhere inside the bag, i is the natural choice.

Danish prepositions often match English here, but not always, so it is worth learning them noun by noun and expression by expression.

Yes. This is an important vocabulary point.

søge can also mean seek or apply for, depending on context.

For example:

• Jeg søger et job. = I am applying for a job
• Han søger hjælp. = He is seeking help

That is another reason why søger efter is helpful here: efter makes it clear that this is about searching for something.

You can make it negative with ikke:

Jeg søger ikke efter min nøgle i tasken.
= I am not searching for my key in the bag.

In a very natural everyday version, many people would say:

Jeg leder ikke efter min nøgle i tasken.

The word ikke usually comes after the finite verb in a main clause, so:

• Jeg søger ikke ...
• Jeg leder ikke ...

not

• Jeg ikke søger ...

Then you need the plural noun and the plural possessive form.

• en nøgle = a key
• nøgler = keys
• mine nøgler = my keys

So:

Jeg søger efter mine nøgler i tasken.

Notice the change:

• min nøgle = my key
• mine nøgler = my keys