Tenoren husker innsatsen.

Because both nouns are in the definite singular form in Bokmål.

• tenor → tenoren = the tenor
• innsats → innsatsen = the effort / the contribution

For many en-words (common gender nouns), the definite singular is made by adding -en.

So this sentence uses:

• tenoren = a specific tenor
• innsatsen = a specific effort

The base form (infinitive) is huske, meaning to remember.

• å huske = to remember
• husker = remember / remembers

In the sentence, husker is the present tense form.

Examples:

• Jeg husker. = I remember.
• Hun husker. = She remembers.

In Norwegian, the verb usually does not change depending on the subject the way it does in English.

English:

• I remember
• he remembers

Norwegian:

• jeg husker
• han husker

The verb form stays the same. That makes Norwegian verb conjugation simpler than English in this area.

Yes. This sentence follows the basic Norwegian main-clause word order:

Subject + Verb + Object

• Tenoren = subject
• husker = verb
• innsatsen = object

So:

Tenoren husker innsatsen.

This is the most neutral, standard word order for a simple statement.

Yes, you could, but it changes the emphasis.

Innsatsen husker tenoren is grammatical, but it sounds more marked or literary, with focus on innsatsen.

In Norwegian main clauses, when something other than the subject comes first, the verb still stays in second position:

• Tenoren husker innsatsen.
• Innsatsen husker tenoren.

That second version is not the most neutral one, but it is possible.

Innsats is a noun. It often means:

• effort
• input
• contribution
• sometimes performance or work put in, depending on context

It is an en-word in Bokmål:

• en innsats = an effort
• innsatsen = the effort

It is often used in fairly general or abstract contexts, for example:

• Takk for innsatsen. = Thanks for the effort.
• Hun gjorde en stor innsats. = She made a great effort.

Yes. In Bokmål, tenor is normally a common-gender noun:

• en tenor = a tenor
• tenoren = the tenor

Like many nouns referring to professions, roles, or types of people, it takes the normal en / -en pattern.

Its main meaning is remembers, but in Norwegian huske can also be used in ways that overlap with English remember in a few different senses.

For example:

• Jeg husker ham. = I remember him.
• Husk nøklene! = Remember the keys!
• Kan du huske å ringe? = Can you remember to call?

So huske can refer both to memory and to not forgetting to do something.

Yes, in a broad sense. Norwegian present tense often covers both:

• simple present: remembers
• something more ongoing, depending on context

But in most cases, Tenoren husker innsatsen would naturally be understood as The tenor remembers the effort.

If you specifically want to stress an ongoing action, Norwegian often uses other ways to express that, depending on style and context.

A simple approximate pronunciation for an English speaker is:

teh-NOO-ren HUS-ker IN-saht-sen

A few helpful notes:

• tenoren has stress on the second syllable: -nor-
• husker has stress on the first syllable
• innsatsen also has stress near the start

The exact sounds vary by dialect, but this approximation is enough to get started.

Because Norwegian often attaches definiteness to the noun itself instead of using a separate article.

English:

• the tenor
• the effort

Norwegian:

• tenoren
• innsatsen

So the -en ending is doing the job that the does in English.

This is one of the most important differences between English and Norwegian nouns.

Not usually in the same way.

• innsatsen = the effort → a specific effort already known from context
• en innsats = an effort → nonspecific

So:

• Tenoren husker innsatsen = The tenor remembers the effort.
• Tenoren husker en innsats would sound less natural in many contexts, because remember an effort is a bit odd unless the situation is very specific.

Usually, if the sentence is natural with innsatsen, that means a particular effort is being referred to.

This sentence is standard Bokmål.

In Nynorsk, some forms might be different depending on word choice and style. A learner encountering Tenoren husker innsatsen should treat it as a normal Bokmål sentence.