Die navorsing is belangrik.

Yes. Die is the Afrikaans definite article, so here it means the.

So:

• die navorsing = the research

A useful thing to know is that Afrikaans uses die much more simply than many European languages:

• it does not change for gender
• it can be used with singular and plural nouns

Also, die is pronounced roughly like dee, not like the English verb die.

No. Afrikaans does not have grammatical gender in the way Dutch or German do.

That means you do not need separate forms like masculine/feminine/neuter articles. In normal usage, die works as the definite article regardless of gender.

That makes sentences like Die navorsing is belangrik much easier for English speakers: you do not have to memorize noun gender before choosing the article.

Yes, and the meaning changes slightly.

• Navorsing is belangrik = Research is important in general
• Die navorsing is belangrik = The research is important, referring to a specific piece or body of research

So the version with die sounds more specific, while the version without it sounds more general.

This is similar to the difference between:

• Dogs are friendly
  vs.
• The dogs are friendly

Navorsing is a noun, and yes, it is used much like English research.

It is often treated as an uncountable or mass noun, just like English research. That means you usually would not use it the way English learners sometimes incorrectly say a research.

So:

• navorsing = research
• die navorsing = the research

If you want to talk about one specific study, Afrikaans will often use another noun, such as studie or ondersoek, depending on context.

Also, navorsing is related to the verb navors, meaning to research / investigate.

In the present tense, is is very simple in Afrikaans. It does not change the way English am / is / are does.

For example:

• Ek is = I am
• Jy is = You are
• Hy is = He is
• Ons is = We are
• Hulle is = They are

So in this sentence, is works for die navorsing just as it would for many other subjects.

This is one of the nice simplifications of Afrikaans compared with English.

Here, belangrik is a predicate adjective. That means it comes after a linking verb like is and describes the subject.

In:

• Die navorsing is belangrik

the adjective comes after is, just like English important in The research is important.

A key Afrikaans point: adjectives used this way usually stay in their basic form.

So:

• Die navorsing is belangrik = predicate adjective

But when the adjective comes before the noun, it often takes -e:

• die belangrike navorsing = the important research

So the contrast is:

• Die navorsing is belangrik
• die belangrike navorsing

Yes. In this simple statement, the word order is very similar to English:

• Die navorsing = subject
• is = verb
• belangrik = complement/adjective

So the pattern is:

• Subject + verb + adjective

That said, Afrikaans has an important rule in main clauses: the finite verb usually stays in the second position.

So if another element comes first, the verb still stays second:

• Vandag is die navorsing belangrik. = Today the research is important.

So this sentence looks very English-like, but Afrikaans word order becomes more noticeable in longer sentences.

A rough English-friendly pronunciation is:

dee nah-FOR-sing is buh-LUNG-rik

A few helpful notes:

• die sounds like dee
• navorsing has the stress on the second syllable: na-FOR-sing
• the ng in navorsing is like the sound in English sing
• belangrik is stressed roughly on lang: be-LANG-rik
• the r in Afrikaans is usually more clearly pronounced than in many English accents

If you want a slightly more careful approximation, you can think of it as:

dee na-FOR-sing is be-LANG-rik

Very often, yes, but it depends on the adjective and the structure. For a learner, the most useful rule is:

• after is: usually the basic form
  
  • Die navorsing is belangrik
• before a noun: often add -e
  
  • die belangrike navorsing

So for this specific sentence, the important contrast to remember is:

• belangrik after is
• belangrike before navorsing

That is a very common pattern in Afrikaans.

It is completely normal and neutral.

You could use Die navorsing is belangrik in:

• school or university contexts
• academic writing
• presentations
• everyday discussion about science, policy, medicine, and so on

It sounds natural if you are referring to a specific research project, report, or body of research. If you mean the idea of research in general, Navorsing is belangrik may sound more natural.