Die sirkulasietoonbank is oop.

Afrikaans, like Dutch and German, very often writes compound nouns as one word.

So:

• sirkulasie = circulation
• toonbank = counter / desk
• sirkulasietoonbank = circulation desk

This is completely normal in Afrikaans. English often writes these as two words, but Afrikaans usually joins them.

Here, die means the.

Afrikaans does not have grammatical gender for nouns in the way that German, French, or Dutch do. That means:

• die man = the man
• die vrou = the woman
• die boek = the book

The article die stays the same. This makes Afrikaans simpler than many European languages in this area.

This is the normal word order for a simple statement in Afrikaans:

subject + verb + complement

So here:

• Die sirkulasietoonbank = subject
• is = verb
• oop = complement

It works just like English The circulation desk is open.

Afrikaans is a verb-second language, but in a basic main clause like this, that still gives you the familiar English-like order.

Is is the present-tense form of wees, the verb to be.

So:

• Ek is = I am
• Jy is = you are
• Hy/Sy is = he/she is
• Dit is = it is

In this sentence, is links the subject to its description:

• Die sirkulasietoonbank is oop = The circulation desk is open

This is called a linking verb or copula.

Because oop is the description after the verb is.

In a simple Afrikaans sentence with wees:

• Die deur is oop = The door is open
• Die winkel is gesluit = The shop is closed
• Die sirkulasietoonbank is oop = The circulation desk is open

So oop is not being moved somewhere special; it is just in the normal position for a predicate adjective after is.

Here, oop is functioning as an adjective meaning open.

It is being used predicatively, which means it comes after the verb is:

• Die deur is oop = The door is open

It can also be used before a noun:

• 'n oop deur = an open door

So yes, oop is an adjective, and in this sentence it describes the circulation desk.

Not in this sentence.

After is, the adjective usually stays in its basic form:

• Die deur is oop
• Die boek is nuut
• Die toonbank is besig

Afrikaans adjectives can sometimes change form when they come before a noun, but after is they are usually simple and unchanged.

So oop remains just oop.

A rough pronunciation guide for an English speaker:

• sirkulasietoonbank ≈ sir-kyu-LAH-see-uh-tohn-bank
• oop ≈ ohp

A few tips:

• oo in oop is a long o sound, not like English oo in book
• toon sounds roughly like tone
• bank sounds close to English bunk/bank, depending on accent

If you already know some Dutch, oop may feel familiar.

Normally, no. In a full standard sentence, you would usually keep the article:

• Die sirkulasietoonbank is oop

Leaving out die would sound unnatural in ordinary Afrikaans unless you were speaking in a very telegraphic style, like a sign, label, or note.

So for normal speech and writing, use die.

Yes. In Afrikaans, a yes/no question usually puts the verb first:

• Is die sirkulasietoonbank oop? = Is the circulation desk open?

That is very similar to English word order in questions.

So:

• statement: Die sirkulasietoonbank is oop.
• question: Is die sirkulasietoonbank oop?

This is a perfectly good sentence, but in real life speakers might also choose a shorter version if the context is clear:

• Die toonbank is oop. = The desk/counter is open.
• Sirkulasie is oop. = Circulation is open.

The full sentence Die sirkulasietoonbank is oop is clear and specific, especially in a library context.