Det var tur att Sara kom i tid, för receptionisten kände igen hennes namn direkt.

Here det is a dummy subject, just like it in English expressions such as It was lucky that ... or It was a good thing that ....

So Det var tur att Sara kom i tid is a very common Swedish pattern meaning:

• It was lucky that Sara arrived on time
• It was a good thing that Sara came on time

The word tur means luck or good fortune, but in this expression det var tur att ... is best learned as a whole phrase.

Examples:

• Det var tur att du ringde. = It was lucky that you called.
• Det är tur att vi har tid. = It’s lucky that we have time.

Because tur is being used in an idiomatic expression: det var tur att ...

In this pattern, Swedish normally uses tur without an article. It works more like an abstract noun here, similar to saying that was lucky rather than talking about a luck.

Compare:

• Det var tur att hon kom. = It was lucky that she came.
• Vilken tur! = What luck!

So even though tur can sometimes be a regular noun, in this phrase you usually just say det var tur att ...

Here att means that and introduces a clause.

So:

• Det var tur att Sara kom i tid = It was lucky that Sara arrived on time

This is very common after expressions like:

• det är bra att ... = it is good that ...
• det är synd att ... = it is a shame that ...
• det verkar som att ... = it seems that ...

So att is simply linking the main idea to the following clause.

Yes, literally it looks like came in time, but idiomatically kom i tid means:

• arrived on time
• came on time

This is a fixed Swedish expression:

• i tid = on time, in time

Examples:

• Jag kom i tid. = I arrived on time.
• Hon hann i tid. = She made it in time.

English often distinguishes between on time and in time, but Swedish i tid can cover both depending on context.

Because Swedish uses the fixed expression i tid.

This is just one of those preposition combinations you have to learn as a set:

• i tid = on time / in time

Other time expressions use different prepositions, for example:

• på måndag = on Monday
• i går = yesterday
• om en timme = in an hour

So with tid in this meaning, Swedish says i tid, not på tid.

Here för means because or for, introducing the reason:

• Det var tur att Sara kom i tid, för receptionisten kände igen hennes namn direkt.

So the second clause explains why it was lucky.

In everyday English, because is usually the most natural translation. In Swedish, för is very common for giving a reason in a main clause.

Examples:

• Jag gick hem, för jag var trött. = I went home because I was tired.
• Vi måste skynda oss, för tåget går snart. = We have to hurry because the train leaves soon.

Because in this sentence för is the normal conjunction meaning because.

Swedish learners often meet both:

• för = because
• för att = to / in order to
  and sometimes also because in spoken or less formal usage

In a sentence like this, för is the neat, standard choice:

• ... för receptionisten kände igen hennes namn direkt.

Compare:

• Jag stannade hemma för att vila. = I stayed home to rest.
  Here för att means in order to.

So in your sentence, för introduces a reason, not a purpose.

Känna igen is a particle verb meaning:

• recognize

So:

• receptionisten kände igen hennes namn = the receptionist recognized her name

The base form is:

• känna igen = to recognize

Past tense:

• kände igen = recognized

Many Swedish verbs work like this, with a verb plus a particle:

• hälsa på = visit
• tycka om = like
• gå ut = go out

It is important to learn känna igen as one unit, because känna by itself means feel or know in certain contexts, not necessarily recognize.

This is a very important Swedish grammar point.

Swedish uses sin/sitt/sina when the possessor is the subject of the same clause.

Here the clause is:

• receptionisten kände igen hennes namn direkt

The subject of this clause is receptionisten.

So:

• sitt namn would mean the receptionist’s own name
• hennes namn means her name, referring to some other female person — here, Sara

That is why hennes is correct.

Compare:

• Sara såg sitt namn. = Sara saw her own name.
• Receptionisten såg hennes namn. = The receptionist saw her name (someone else’s, such as Sara’s).

Because pronouns can refer back to someone already mentioned earlier in the sentence or in the conversation.

In:

• Det var tur att Sara kom i tid, för receptionisten kände igen hennes namn direkt

the nearest sensible female person is Sara, so hennes naturally refers to her.

Swedish works like English here:

• Sara arrived on time because the receptionist recognized her name immediately.

The pronoun does not have to be in the same clause as its antecedent, but the grammar of sin/sitt/sina does depend on the clause structure.

Direkt here means:

• immediately
• right away
• at once

So kände igen hennes namn direkt means the receptionist recognized her name without hesitation.

Examples:

• Jag förstod direkt. = I understood immediately.
• Hon svarade direkt. = She answered right away.

It is a very common adverb in spoken and written Swedish.

Because after för, Swedish starts a new main clause, and main clauses normally have normal subject-verb order unless something else is placed first.

So:

• för receptionisten kände igen hennes namn direkt

has:

1. receptionisten = subject
2. kände = finite verb
3. the rest of the clause

This is different from a subordinate clause introduced by words like att, eftersom, or när, where the word order can look different in some contexts.

Also, Swedish main clauses follow the V2 rule: the finite verb is in the second position. Since receptionisten comes first, kände comes second.

Yes.

In this sentence:

• var = past tense of är/vara = was
• kom = past tense of kommer/komma = came / arrived
• kände = past tense of känner/känna = knew / felt, and in kände igen = recognized

So the whole sentence is describing a situation in the past.

Base forms:

• vara → var
• komma → kom
• känna igen → kände igen

Almost always, yes.

Receptionisten means the receptionist:

• en receptionist = a receptionist
• receptionisten = the receptionist

It is a common noun with the definite ending -en, which is how Swedish usually says the with singular common-gender nouns.

So instead of a separate word for the, Swedish often adds the definite ending to the noun:

• namn = name
• receptionist = receptionist
• receptionisten = the receptionist

Because Swedish usually marks definiteness by adding an ending to the noun.

So:

• en receptionist = a receptionist
• receptionisten = the receptionist

This is one of the biggest differences from English. Instead of saying a separate word like the receptionist, Swedish often builds the into the noun itself.

More examples:

• en bok = a book
• boken = the book
• ett namn = a name
• namnet = the name

Here, receptionisten is simply the definite form.