Efter rasten kommer eleverna tillbaka till klassrummet.

Efter rasten means after the break/recess and works as a time expression.

In Swedish, it is very common to place a time expression at the beginning of the sentence. When you do that, Swedish uses its normal V2 word order, which means the finite verb comes second.

So:

• Efter rasten = time expression in first position
• kommer = finite verb in second position
• eleverna = subject

That is why Swedish says:

• Efter rasten kommer eleverna tillbaka till klassrummet.

and not:

• Efter rasten eleverna kommer tillbaka till klassrummet.

The English word order does not work here.

This is because of the Swedish V2 rule.

In main clauses, the finite verb must be in the second position, not necessarily after the subject.

Compare:

• Eleverna kommer tillbaka till klassrummet efter rasten.
  Here the subject eleverna comes first, so the verb kommer comes after it.

• Efter rasten kommer eleverna tillbaka till klassrummet.
  Here Efter rasten comes first, so the verb kommer must come next, before the subject.

This word order is one of the most important things for English speakers to get used to in Swedish.

Rast means break, recess, or pause, depending on context.

Rasten is the definite singular form, meaning the break or the recess.

Swedish usually adds the definite article to the end of the noun:

• en rast = a break
• rasten = the break

So Efter rasten literally means after the break.

Eleverna means the students/pupils, while elever means just students/pupils in a general or indefinite sense.

Forms:

• en elev = a student
• elever = students
• eleverna = the students

In this sentence, we are talking about a specific group of students, so Swedish uses the definite plural eleverna.

Tillbaka means back.

So:

• kommer tillbaka = come back / return

It shows that the students are going to the classroom again, after having been away from it during the break.

Without tillbaka, the sentence would simply mean they come to the classroom. With tillbaka, it clearly means they are returning.

Because they do different jobs:

• tillbaka = back
• till = to

So:

• tillbaka till klassrummet = back to the classroom

This is very similar to English, where you also often need both words:

• back to the classroom

You can think of tillbaka as expressing the idea of return, and till as showing direction toward a place.

Because till shows movement toward a destination, while i usually shows location inside something.

So:

• till klassrummet = to the classroom
• i klassrummet = in the classroom

In this sentence, the students are moving back to the classroom, so till is the correct preposition.

Klassrum is a neuter noun in Swedish, so it takes ett in the indefinite singular:

• ett klassrum = a classroom

Its definite singular form is:

• klassrummet = the classroom

So the pattern is:

• ett klassrum
• klassrummet

This is different from a common-gender noun, which would usually take -en in the definite singular.

Because in Swedish, the definite article is usually attached to the end of the noun instead of being a separate word.

So:

• the classroom = klassrummet
• not the + classroom as two separate words

This is a basic feature of Swedish nouns:

• en bok = a book

• boken = the book

• ett klassrum = a classroom
• klassrummet = the classroom

Grammatically, kommer is the present tense of komma.

In this sentence, it is best understood as a normal present-tense statement about what happens after the break:

• After the break, the students come back to the classroom.

In natural English, you might often translate it as:

• After recess, the students come back to the classroom.
• After the break, the students return to the classroom.

Depending on context, Swedish present tense can sometimes sound future-like in English, especially when talking about scheduled events, but the form itself is simply present tense.

Yes, you could say:

• Efter rasten kommer eleverna till klassrummet.

That would mean something like After the break, the students come to the classroom.

But tillbaka adds an important nuance: it tells us they are returning to a place they were in before.

So:

• kommer till klassrummet = come to the classroom
• kommer tillbaka till klassrummet = come back to the classroom / return to the classroom

Either can be correct, depending on context.

• elever often refers to schoolchildren, so pupils can be a very precise translation in British English.
• students is also common and often sounds more natural to many learners, especially in general English.

So in this sentence, both of these are possible:

• After the break, the pupils come back to the classroom.
• After the break, the students come back to the classroom.

If the context is clearly a school classroom with younger learners, pupils may be slightly more exact.

The sentence can be broken down like this:

• Efter rasten = time expression
• kommer = verb
• eleverna = subject
• tillbaka = adverb
• till klassrummet = prepositional phrase showing direction

So the structure is:

Time expression + verb + subject + adverb + place/direction

This is a very common Swedish pattern when a sentence starts with something other than the subject.