Hon gäspade många gånger på bussen, men hennes vän suckade bara och log.

Because hon is the subject form of she.

• hon = she
• henne = her

In Hon gäspade..., she is the person doing the action, so Swedish uses hon.

Compare:

• Hon gäspade. = She yawned.
• Jag såg henne. = I saw her.

gäspade is the past tense of gäspa (to yawn).

This is a very common Swedish pattern for verbs in -a:

• infinitive: gäspa
• present: gäspar
• past: gäspade
• supine: gäspat

So Hon gäspade means She yawned or She was yawning, depending on context.

många gånger literally means many times.

It is a common way to say that something happened repeatedly.

• Hon gäspade många gånger. = She yawned many times.

You could also hear:

• flera gånger = several times

Both are natural, but många gånger emphasizes a larger number.

In Swedish, public transport is often expressed with på:

• på bussen = on the bus
• på tåget = on the train
• på planet = on the plane

Even though English usually says on the bus, this is not always a literal one-to-one rule between English and Swedish prepositions. You simply learn that with transport, på is very common.

By contrast, i is used more for being physically inside something in a general sense:

• i bilen = in the car

So:

• på bussen sounds natural
• i bussen is possible in some physical or specific contexts, but it is less standard in ordinary travel descriptions

This is a very important Swedish grammar point.

Swedish uses sin/sitt/sina for a reflexive possessor, meaning the owner is the subject of the same clause.

But here we have:

• Hon gäspade..., men hennes vän suckade...

In the second clause, the subject is hennes vän (her friend), not hon. Because of that, Swedish does not use sin here.

So:

• hennes vän = her friend

If you said sin vän, it would refer back to the subject of that clause, which would create a different structure and meaning.

A useful comparison:

• Hon såg sin vän. = She saw her own friend.
• Hon såg hennes vän. = She saw her friend, where her refers to some other female person.

bara means only, just, or sometimes simply, depending on context.

In this sentence:

• ...men hennes vän suckade bara och log.

it means something like:

• ...but her friend just sighed and smiled.

The placement is natural Swedish word order. Here bara modifies the verbal action and suggests that this was all the friend did.

Compare:

• Han åt bara bröd. = He only ate bread.
• Han bara åt. = He just ate.

Where bara goes can slightly affect emphasis.

log is the past tense of le (to smile).

This is an irregular verb:

• infinitive: le
• present: ler
• past: log
• supine: lett

So:

• hon log = she smiled

It looks short because some common Swedish verbs have irregular past forms that do not take the usual -de or -te ending.

Because Swedish normally expresses the past tense directly in the verb itself.

English often uses:

• did yawn
• did sigh

But in ordinary past statements, English usually just says:

• she yawned
• her friend sighed

Swedish works the same way here:

• gäspade already means yawned
• suckade already means sighed
• log already means smiled

You do not need a separate helping verb.

men means but.

It connects two contrasting ideas:

• Hon gäspade många gånger på bussen
• men hennes vän suckade bara och log

So the sentence sets up a contrast between the woman yawning repeatedly and the friend reacting in a mild, restrained way.

Because the subject changes in the second clause.

The first clause has the subject:

• Hon

The second clause has a different subject:

• hennes vän

So Swedish, like English, does not repeat hon there. It would be grammatically wrong to keep hon if the friend is the one doing the sighing and smiling.

Structure:

• Hon gäspade...
• men hennes vän suckade...

Yes. och log literally means and smiled, and it is completely natural Swedish.

Swedish often links actions with och just like English does:

• Han öppnade dörren och gick in. = He opened the door and went in.
• Hon suckade och log. = She sighed and smiled.

In this sentence, suckade bara och log gives the feeling that the friend reacted quietly rather than saying anything.

Yes, it is very typical.

The basic pattern is:

• Subject + verb + other elements

So:

• Hon gäspade många gånger på bussen
• men hennes vän suckade bara och log

This is standard main-clause word order in Swedish.

A learner should also know that Swedish has the V2 rule in main clauses, meaning the finite verb usually comes in the second position. This sentence follows that naturally because the subject comes first.

For example, if you moved på bussen to the front, the verb would still stay second:

• På bussen gäspade hon många gånger...

That verb-second pattern is very important in Swedish.

A rough guide for an English speaker:

• gäspade: the gä starts with a vowel somewhat like the e in bed, but more fronted; the ä sound is important in Swedish.
• suckade: the u in Swedish is not like English u in sun. It is a more rounded vowel, and many learners need practice with it.

A rough approximation:

• gäspade ≈ YES-pah-deh with a Swedish ä
• suckade ≈ SOO-kah-deh, but with a Swedish u, not an English oo

Also note:

• g in gäspade is pronounced like y before ä
• log is pronounced with a long o sound, not like English log

If you want to sound more natural, it is worth listening to native audio for these words, especially because Swedish vowels are very important.

Yes, but the original sentence is already very natural.

A simpler version might be:

• Hon gäspade på bussen, men hennes vän log.

That removes många gånger and suckade bara, so it is easier but less expressive.

The original sentence is useful because it shows several common Swedish features at once:

• past tense verbs: gäspade, suckade, log
• frequency expression: många gånger
• transport phrase: på bussen
• possession: hennes vän
• adverb placement: bara
• coordination: men, och