Die oefenprogram raak al hoe langer.

Here raak means becomes / gets.

So Die oefenprogram raak al hoe langer means that the training program is getting longer.

A very important point for learners: raak can also mean touch, hit, or be affected, depending on context. But in sentences like this, with an adjective after it, it often means become.

Examples:

• Dit raak koud. = It is getting cold.
• Sy raak moeg. = She is getting tired.

Al hoe langer is a common Afrikaans pattern meaning longer and longer or increasingly long.

The structure is:

• al hoe + comparative adjective

So:

• al hoe langer = longer and longer
• al hoe beter = better and better
• al hoe moeiliker = more and more difficult

In your sentence, it shows a gradual change over time:

• Die oefenprogram raak al hoe langer. = The training program is getting longer and longer.

Because the sentence is talking about change in comparison, not just a basic quality.

• lang = long
• langer = longer

Since the program is becoming more long than before, Afrikaans uses the comparative form langer.

Compare:

• Die oefenprogram is lank. = The training program is long.
• Die oefenprogram raak langer. = The training program is getting longer.

In Afrikaans, many adjectives form the comparative by adding -er, just like some English adjectives do.

So:

• lank → langer
• kort → korter
• sterk → sterker

That means Afrikaans does not need a separate word like more here.

With some adjectives, Afrikaans may use meer instead, especially where adding -er is not the normal pattern. But with lank, the normal comparative is simply langer.

Die is the definite article, meaning the.

So:

• die oefenprogram = the training program

Unlike English, Afrikaans uses die for:

• singular nouns: die boek = the book
• plural nouns: die boeke = the books

So die does not change the way the does in English.

Afrikaans very often writes compound nouns as a single word.

So:

• oefen = exercise / train
• program = program
• oefenprogram = training program / exercise program

This is very common in Afrikaans, and much more consistent than in English.

Other examples:

• skoolbus = school bus
• tafeldoek = tablecloth
• werkplek = workplace

So for English speakers, one useful habit is to expect compound nouns to be written together in Afrikaans.

Yes, that is possible, but raak is often the more natural choice when something is changing into a state.

Both can suggest becoming:

• raak = get / become
• word = become

But in everyday Afrikaans, raak is very common with adjectives:

• Dit raak laat. = It’s getting late.
• Hy raak kwaad. = He is getting angry.

So in your sentence, raak sounds very natural.

They are very close in meaning.

• al hoe langer = longer and longer / increasingly longer
• langer en langer = longer and longer

Both are used, and both describe gradual increase.

There can be a slight difference in feel:

• al hoe langer often emphasizes a continuing trend
• langer en langer can sound a little more like a direct repeated comparison

In many everyday contexts, they are nearly interchangeable.

The sentence follows normal main-clause word order in Afrikaans:

• Die oefenprogram = subject
• raak = finite verb
• al hoe langer = complement

So the pattern is:

Subject + verb + rest

That is why the verb raak comes second:

• Die oefenprogram raak al hoe langer.

This is standard Afrikaans main-clause word order and is similar to English here.

A natural past form would be:

• Die oefenprogram het al hoe langer geraak.

This uses the common Afrikaans past tense pattern:

• het
  • past participle

Here:

• raak → geraak

So:

• Die oefenprogram raak al hoe langer. = The training program is getting longer.
• Die oefenprogram het al hoe langer geraak. = The training program got longer and longer / was getting longer and longer.

A simple English-friendly guide would be:

• raak ≈ rahk

The aa is a long vowel, roughly like the a in some pronunciations of father, but held longer.

A rough pronunciation for the whole sentence:

• Die ≈ dee
• oefenprogram ≈ OO-fen-proh-gram
• raak ≈ rahk
• al hoe langer ≈ ahl hoo lung-er

This is only an approximation, but it can help you get started.