Jeg blev utålmodig, fordi bussen var forsinket, men chaufføren var stadig høflig.

Because blev means became, while var means was.

So:

• Jeg blev utålmodig = I became impatient
• Jeg var utålmodig = I was impatient

In this sentence, blev shows a change of state: the speaker was not impatient at first, but then became impatient.

The whole sentence is in the simple past.

Examples from the sentence:

• blev = past tense of blive (become)
• var = past tense of være (be)

So the sentence describes a situation in the past:

• Jeg blev utålmodig
• bussen var forsinket
• chaufføren var stadig høflig

In Danish, the definite article (the) is usually attached to the end of the noun.

So:

• bus = a bus
• bussen = the bus

This is very common in Danish:

• bil → bilen = the car
• mand → manden = the man

So bussen var forsinket means the bus was delayed.

For the same reason: -en marks the definite form.

• chauffør = a driver
• chaufføren = the driver

Since the sentence refers to a specific driver, Danish uses the definite form chaufføren.

Because fordi introduces a subordinate clause, and in standard Danish subordinate clauses normally keep subject + verb order.

So you get:

• fordi bussen var forsinket

not:

• fordi var bussen forsinket

This is different from main clauses, where Danish often uses verb-second word order.

Compare:

• Main clause: Bussen var forsinket
• Subordinate clause: ... fordi bussen var forsinket

That is a very important word-order pattern in Danish.

Forsinket means delayed or late.

It comes from the verb forsinke = to delay.

In this sentence, var forsinket works like was delayed.

You can think of it as an adjective here:

• en forsinket bus = a delayed bus
• bussen var forsinket = the bus was delayed

Because after blev in this sentence, the adjective describes jeg, and the form used here is the basic common singular form: utålmodig.

Compare:

• Jeg blev utålmodig = I became impatient
• Det blev utålmodigt would sound wrong here, because det would require a different structure and meaning.

A useful rule for learners is: when an adjective describes a person after verbs like være or blive, you often use the basic form:

• Jeg er træt
• Han blev vred
• Hun var høflig
• Jeg blev utålmodig

Stadig means still.

So:

• chaufføren var stadig høflig = the driver was still polite

Its position here is very natural: it comes after the verb var.

A common pattern is:

• subject + verb + stadig + adjective

For example:

• Han var stadig syg = He was still ill
• De var stadig hjemme = They were still at home

Because men simply connects two main clauses, and the second clause keeps normal main-clause order when the subject comes first.

So:

• ..., men chaufføren var stadig høflig

Here the second clause starts with the subject chaufføren, so the order is:

• subject + verb + adverb + adjective

If something else were placed first, then Danish would usually invert:

• ..., men stadig var chaufføren høflig
  This is possible in some contexts, but it is much less neutral.

So the sentence uses the most natural everyday order.

No. Høflig means polite or courteous.

It is a false friend if you try to connect it with English hopeful.

Examples:

• en høflig chauffør = a polite driver
• Hun er altid høflig = She is always polite

So in this sentence, chaufføren var stadig høflig means the driver remained polite despite the delay.

The commas separate the three parts of the sentence:

1. Jeg blev utålmodig
2. fordi bussen var forsinket
3. men chaufføren var stadig høflig

Danish comma use can be a little tricky for learners, but here the commas help mark:

• the subordinate clause introduced by fordi
• the new main clause introduced by men

So the punctuation makes the structure clearer.

Yes, you could, but it changes the nuance slightly.

• Jeg blev utålmodig = I became impatient
  This emphasizes the change.
• Jeg var utålmodig = I was impatient
  This simply describes your state.

Both are grammatically correct, but blev is more expressive here because it suggests that the delay caused the impatience to develop.

It is:

• Main clause: Jeg blev utålmodig
• Subordinate clause: fordi bussen var forsinket
• Main clause: men chaufføren var stadig høflig

So the full structure is:

main clause + subordinate clause + coordinated main clause

This is a very common type of Danish sentence, and it is useful because it shows both:

• normal main-clause word order
• normal subordinate-clause word order