Rawatan ini perlu.

Malay often leaves out the verb to be in simple present-tense statements.

So:

• Rawatan ini perlu
• literally: treatment this necessary
• natural English: This treatment is necessary

This is completely normal in Malay. You do not need a separate word for is here.

The sentence breaks down like this:

• rawatan = treatment
• ini = this
• perlu = necessary / needed

So the structure is:

• Rawatan ini = this treatment
• perlu = is necessary

In other words:

• rawatan ini is the subject
• perlu is the predicate describing it

In Malay, demonstratives like ini and itu usually come after the noun.

So:

• rawatan ini = this treatment
• rumah itu = that house
• buku ini = this book

This is one of the big word-order differences from English.

Because ini belongs with the noun phrase rawatan ini = this treatment.

Here, perlu is not part of the noun phrase. It is the main predicate of the sentence:

• Rawatan ini = the subject
• perlu = necessary

If you put ini after perlu, it would sound wrong because it would suggest perlu ini is a unit, which it is not.

A useful comparison:

• rawatan ini perlu = this treatment is necessary

In this sentence, perlu functions like an adjective meaning necessary or needed.

So:

• Rawatan ini perlu = This treatment is necessary

Malay words do not always fit neatly into English-style grammar categories, but for a learner, it is safest here to think of perlu as describing the subject.

Also note:

• perlu by itself does not usually mean to need something
• for need as a verb taking an object, Malay often uses memerlukan

Example:

• Pesakit itu memerlukan rawatan = The patient needs treatment

No, not naturally.

Rawatan ini perlu means:

• This treatment is necessary
• or This treatment is needed

It does not mean This treatment needs something.

If you want to say needs, you would usually use memerlukan:

• Rawatan ini memerlukan masa = This treatment requires time

So:

• perlu = necessary / needed
• memerlukan = to need / to require

Usually, rawatan is strongly associated with treatment, especially medical care or some kind of corrective treatment.

Common examples:

• rawatan perubatan = medical treatment
• rawatan hospital = hospital treatment

Depending on context, it can sometimes be broader, but for most learners, thinking of rawatan as treatment is the right starting point.

You can say:

• Rawatan ini tidak perlu = This treatment is not necessary

Here, tidak negates perlu.

So:

• perlu = necessary
• tidak perlu = not necessary / unnecessary

This is a very common pattern in Malay.

In everyday Malay, you can often make it a question just by using question intonation:

• Rawatan ini perlu? = Is this treatment necessary?

You could also make it more explicit in some contexts, but the intonation-only version is very common in speech.

Not as the normal version of this sentence.

The natural form is:

• Rawatan ini perlu

Why?

Because rawatan ini is the noun phrase this treatment, and Malay normally places ini after the noun.

So:

• rawatan ini = this treatment

Saying Ini rawatan perlu would sound unnatural for standard Malay in this meaning.

A simple learner-friendly pronunciation is:

• rawatan ≈ ra-WAH-tan
• ini ≈ ee-NEE
• perlu ≈ PER-loo

So the whole sentence is roughly:

• ra-WAH-tan ee-NEE PER-loo

A few notes:

• r in Malay is usually trilled or tapped more than English r
• a is usually like the a in father
• u is usually like oo in food

Ini can mean this or these, depending on context.

Malay nouns do not have a built-in singular/plural marking like English. So:

• buku ini can mean this book or these books, depending on the situation

In your sentence, rawatan ini will usually be understood as this treatment because rawatan looks singular in context.

If Malay wants to make plurality very explicit, it can use reduplication:

• rawatan-rawatan ini = these treatments

But in normal speech and writing, context often does the job.