Die padwaardigheidsertifikaat is beskikbaar.

Yes. Die is the normal definite article in Afrikaans and usually means the.

A useful difference from English is that Afrikaans does not change the for gender:

• die man = the man
• die vrou = the woman
• die huis = the house

It is also used for plural nouns:

• die motors = the cars

So in Die padwaardigheidsertifikaat, die simply means the.

Afrikaans, like Dutch and German, very often forms compound nouns by writing them as one word.

So:

• pad = road
• waardigheid = worthiness / fitness
• sertifikaat = certificate

Together, padwaardigheidsertifikaat means something like roadworthiness certificate.

This is very normal in Afrikaans. English sometimes writes similar ideas as:

• one word
• hyphenated
• or separate words

Afrikaans more often prefers a single compound word.

In long Afrikaans compounds, the main stress often falls early, usually on the first part of the compound or a strongly stressed element near the front.

A practical learner approach is to say it in chunks:

pad-waardig-heid-sertifikaat

You do not need to make every syllable equally strong. Say it smoothly, with the strongest emphasis near the beginning:

• PAD-waar-dig-heids-ser-ti-fi-KAAT

Exact stress can vary a little in natural speech, but chunking the word helps a lot.

The suffix -heid is very common in Afrikaans. It often works like English -ness or sometimes -ity.

Examples:

• moontlik = possible → moontlikheid = possibility
• eerlik = honest → eerlikheid = honesty
• waardig = worthy / fit → waardigheid = worthiness / fitness

So padwaardigheid refers to the state or quality of being roadworthy.

This is a normal main clause word order in Afrikaans:

Subject + verb + rest

• Die padwaardigheidsertifikaat = subject
• is = verb
• beskikbaar = complement

So the pattern is just like English:

• The roadworthiness certificate is available

Afrikaans does change word order in some other situations, especially in subordinate clauses, but this sentence is a straightforward main statement.

Mostly, yes. Is is the present tense of wees (to be) for all persons.

Examples:

• Ek is = I am
• Jy is = you are
• Hy is = he is
• Ons is = we are
• Hulle is = they are

So Afrikaans is simpler than English here, because the form is stays the same.

Beskikbaar is an adjective, and here it is used after is, so it describes the subject:

• Die sertifikaat is beskikbaar = The certificate is available

This is similar to English adjectives after be:

• The document is ready
• The office is open
• The certificate is available

So beskikbaar is not a verb here; it is describing the certificate.

Not here. After is, the adjective normally stays in its basic form:

• Die sertifikaat is beskikbaar
• Die dokumente is beskikbaar

Afrikaans adjectives sometimes do change when they come before a noun, but after is they usually do not.

So:

• die beskikbare sertifikaat = the available certificate
• die sertifikaat is beskikbaar = the certificate is available

Yes. Depending on context, beskikbaar can mean:

• available
• obtainable
• accessible
• on hand

For example:

• Die inligting is beskikbaar. = The information is available.
• Hy is nie beskikbaar nie. = He is not available.

In your sentence, available is the most natural meaning.

Afrikaans usually uses a double negative with nie ... nie.

So:

• Die padwaardigheidsertifikaat is nie beskikbaar nie.
• The roadworthiness certificate is not available.

Pattern:

• subject + verb + nie
  • rest + nie

This double nie is a very important Afrikaans pattern.

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

• Is die padwaardigheidsertifikaat beskikbaar?

That means:

• Is the roadworthiness certificate available?

This is similar to English verb-subject inversion:

• The certificate is available.
• Is the certificate available?

Yes, if the context already makes clear which certificate you mean. That would sound more natural in everyday speech if the full compound is unnecessarily long.

• Die padwaardigheidsertifikaat is beskikbaar. = precise and formal
• Die sertifikaat is beskikbaar. = shorter, but less specific

Official or administrative language often uses the full compound for clarity.

It sounds somewhat formal or administrative, mainly because of the long compound noun padwaardigheidsertifikaat.

The grammar itself is completely ordinary, but the vocabulary suggests:

• official paperwork
• vehicle registration
• inspection documents
• government or insurance contexts

So a learner should recognize that the sentence is simple grammatically, even if the noun is specialized.

Yes, it is clearly related to English certificate.

A rough pronunciation guide is:

ser-ti-fi-KAAT

The last syllable is strong, and aa in Afrikaans is a long vowel sound.

This kind of word is common in Afrikaans because many formal words are similar to English or other European languages, even if the spelling is slightly different.

Yes. The article die stays the same, but the noun becomes plural.

Likely:

• die padwaardigheidsertifikate = the roadworthiness certificates

Then the sentence becomes:

• Die padwaardigheidsertifikate is beskikbaar.

Notice that is still stays is in Afrikaans, even with a plural subject. That is another simplification compared with English.