Forandringssømmen blir ferdig i morgen.

Forandringssømmen is a compound noun, which is very common in Norwegian.

It is built from:

• forandring = alteration / change
• søm = seam / sewing
• -en = the (definite singular ending)

So the whole word means something like the alteration seam or the alteration sewing, depending on context.

A useful rule: in Norwegian, words that might be separate in English are often combined into one noun.

The ending -en makes the noun definite singular.

Compare:

• en søm = a seam
• sømmen = the seam

With compounds, the definite ending goes on the last part of the compound:

• forandringssøm = an alteration seam
• forandringssømmen = the alteration seam

So Norwegian does not usually use a separate word for the here. It attaches the definiteness to the noun itself.

Blir is from bli, which often means become, get, or sometimes be in the sense of come to a state.

So:

• blir ferdig = gets finished / becomes finished
• er ferdig = is finished (already finished)

That is an important difference.

For example:

• Forandringssømmen blir ferdig i morgen. = it will be finished tomorrow
• Forandringssømmen er ferdig i morgen. = this sounds odd if you mean the finishing happens tomorrow; it suggests it is already in the finished state tomorrow, rather than focusing on the process of becoming finished

In this sentence, blir is natural because it describes the change into a finished state.

Ferdig is an adjective meaning finished, ready, or done, depending on context.

In blir ferdig, the adjective describes the result:

• bli ferdig = to get finished / to become ready

This is a very common pattern in Norwegian:

• bli klar = become ready
• bli syk = become ill
• bli gammel = become old

So ferdig is not a separate verb here. It is an adjective used with bli.

Because the noun is singular.

In this sentence, ferdig is a predicate adjective after the verb blir, and with a singular noun it stays in its basic form:

• Forandringssømmen blir ferdig. = singular
• Forandringssømmene blir ferdige. = plural

So if there were several alteration seams, you would normally use ferdige.

Not exactly in the strictest sense.

It is not a typical passive like:

• Forandringssømmen blir sydd ferdig i morgen. = The alteration seam is being sewn/finished tomorrow

Instead, blir ferdig is more of a change-of-state expression:

• it gets finished
• it becomes finished

English often translates this kind of thing with a passive, but grammatically Norwegian is using bli + adjective here, not necessarily a full passive construction.

This is the normal Norwegian word order for a simple main clause:

• subject: Forandringssømmen
• verb: blir
• complement: ferdig
• time expression: i morgen

So the pattern is basically: Subject + verb + rest

This is very similar to normal English word order.

Yes.

You can also say:

• I morgen blir forandringssømmen ferdig.

That means the same thing, but now the sentence starts with the time expression for emphasis.

When something other than the subject comes first in a Norwegian main clause, the verb still stays in second position:

• I morgen
  • blir
    • forandringssømmen
      • ferdig

This is an important Norwegian rule called V2 word order.

I morgen means tomorrow.

It is a fixed expression:

• i dag = today
• i morgen = tomorrow
• i går = yesterday

Even though morgen by itself can mean morning, the expression i morgen means tomorrow, not in the morning.

If you want in the morning, you would usually say:

• om morgenen
• or sometimes just i morgen tidlig if you mean tomorrow morning / early tomorrow

So in this sentence, i morgen refers to the day tomorrow.

A rough guide for an English speaker is:

foh-AN-dring-suhm-men

A few notes:

• ø does not exist in English; it is somewhat similar to the vowel in French deux or German schön
• the ng in forandring is like the ng in sing
• the double mm in sømmen helps mark the preceding vowel as short

You do not need perfect pronunciation immediately, but the most important part is noticing that ø sounds different from o.

Yes, depending on style and context.

Possible alternatives include:

• Forandringssømmen er ferdig i morgen.
  This is less natural if you mean the finishing happens tomorrow, but it can work in some contexts.

• Forandringssømmen skal være ferdig i morgen.
  = The alteration seam is supposed to be finished by tomorrow / will be finished by tomorrow.

• Forandringssømmen blir gjort ferdig i morgen.
  = The alteration seam will be finished tomorrow.
  This is more explicitly passive and focuses more on the action done by someone.

The original sentence is natural if the focus is simply on the result: it will be finished tomorrow.