Die kleregrootte bepaal die pasvorm.

Yes. In this sentence, die means the both times:

• die kleregrootte = the clothing size
• die pasvorm = the fit

A useful thing for English speakers is that Afrikaans die does not change for gender the way articles do in some other languages. It is the normal definite article for singular and plural nouns.

Yes. Afrikaans very often forms compound nouns by writing them as one word.

So:

• klere = clothes / clothing
• grootte = size
• kleregrootte = clothing size

This is very common in Afrikaans and can look long to English speakers, because English often writes similar ideas as two words.

Afrikaans verbs usually do not change form the way English verbs do in the present tense.

Compare:

• English: I determine, you determine, he determines
• Afrikaans: ek bepaal, jy bepaal, hy bepaal

So bepaal stays the same. That is one of the simpler features of Afrikaans grammar.

Bepaal is the verb, meaning determine or detines, depending on how you translate the whole sentence into natural English.

In this sentence:

• die kleregrootte = the subject
• bepaal = the verb
• die pasvorm = the object

So the structure is basically:

The clothing size + determines + the fit

Yes, this is a very normal main clause word order in Afrikaans.

The pattern is:

Subject + Verb + Object

So:

• Die kleregrootte = subject
• bepaal = verb
• die pasvorm = object

Afrikaans main clauses usually keep the verb in the second position, and this sentence follows that pattern naturally.

Pasvorm means fit in the sense of how a piece of clothing fits the body.

So it is not fit as in healthy or suitable in a general sense. It refers specifically to the way something sits on the wearer.

This makes pasvorm a very useful word in clothing and tailoring contexts.

You can say grootte by itself if the context is already clear. But kleregrootte is more specific.

• grootte = size
• kleregrootte = clothing size

Using the compound removes ambiguity. A learner can think of it as the difference between size and clothing size in English.

In standard Afrikaans, die is usually pronounced roughly like dee, not like the English word die.

That often surprises English speakers.

So:

• die ≈ dee

This is one of those very common words that is worth learning early.

A rough English-friendly guide is:

bepaal ≈ buh-PAHL

The stress is usually on the second syllable. The aa is a long vowel sound.

So if you say it carefully, it will sound something like:

• be-PAAL

No. Unlike German, Afrikaans does not capitalize all nouns.

So in this sentence:

• kleregrootte is lowercase
• pasvorm is lowercase

Only the first word of the sentence is capitalized here because it begins the sentence: Die.

Yes. Even if the basic meaning stays the same, English may phrase it in several natural ways, for example:

• The clothing size determines the fit.
• The size determines the fit.
• Clothing size affects the fit.

That does not mean the Afrikaans is changing. It just shows that one Afrikaans sentence can have more than one natural English rendering depending on context.

You would usually use ’n for a/an:

’n kleregrootte bepaal die pasvorm.

A few things to notice:

• ’n is the indefinite article in Afrikaans.
• It is written with an apostrophe.
• It is normally not stressed in speech.

So the sentence structure stays the same; only the article changes.

The likely plurals are:

• kleregrootte → kleregroottes
• pasvorm → pasvorms

Afrikaans plurals are formed in different ways depending on the noun, but adding -s or -e is very common. With a compound noun like kleregrootte, the plural ending goes on the whole word.

For example:

• Die kleregroottes bepaal die pasvorms.

That would mean something like The clothing sizes determine the fits, though in real English that may or may not sound natural depending on context.