Gusto kong magreserba.

In Filipino, ako and ko are both forms of I / me, but they are used in different grammatical roles.

• ako is the subject form
• ko is the non-subject/genitive form

With gusto, Filipino normally uses ko for the person who wants something:

• Gusto ko = I want
• not Gusto ako

So in Gusto kong magreserba, ko is the correct form.

Kong is just ko plus the linker -ng.

• gusto ko = I want
• gusto kong magreserba = I want to reserve

The -ng links gusto ko to the next word or phrase. It is very common in Filipino.

So:

• ko + -ng = kong

This does not change the basic meaning of ko. It just connects it smoothly to magreserba.

Magreserba is the verb to reserve or to make a reservation.

It is built from:

• mag- = a very common verb prefix
• reserba = a borrowed root related to reserve / reservation

So magreserba means reserve, make a booking, or make a reservation, depending on context.

The prefix mag- is one of the most common Filipino verb markers. It often forms an actor-focused verb, meaning the sentence highlights the doer of the action.

In Gusto kong magreserba, the speaker is the one who wants to do the reserving, so mag- is natural.

You can think of magreserba here as roughly equivalent to English to reserve.

No separate word is needed here.

English says:

• I want to reserve

Filipino says:

• Gusto kong magreserba

The idea of linking want to the following action is handled by the structure itself, especially the linker -ng in kong. Filipino does not need a separate word exactly like English to in this sentence.

Magreserba is not past. It usually has a contemplated or future-oriented sense: an action that has not happened yet.

In this sentence, it fits well because the speaker is expressing a desire or intention:

• Gusto kong magreserba = I want to make a reservation

Because gusto already expresses desire, the whole sentence naturally refers to something the speaker wants to do now or soon.

Yes, it can stand alone.

Gusto kong magreserba is a complete and natural sentence, especially in a real-life situation like talking to hotel, restaurant, or airline staff. The object may be understood from context.

If you want to be more specific, you can add what you want to reserve:

• Gusto kong magreserba ng mesa. = I want to reserve a table.
• Gusto kong magreserba ng kuwarto. = I want to reserve a room.

In careful standard Filipino, Gusto kong magreserba is the better form.

Some speakers may drop the linker in casual speech, but learners should use kong here. It sounds smoother and more natural.

So the safest version to learn is:

• Gusto kong magreserba

A simple pronunciation guide is:

• gus-to kong mag-re-ser-ba

A few helpful points:

• g is a hard g, like in go
• ng in kong sounds like the final sound in English song
• r is usually a light flap or tap
• reserba is commonly stressed around ser

So it sounds roughly like:

• GOOS-toh kohng mag-reh-SER-bah

Yes, magreserba is normally written as one word.

That is because mag- is a prefix attached to the root reserba. In standard writing, prefixes are usually joined directly to the word they form.

So:

• correct: magreserba
• not standard: mag reserba

A very common way is to add po:

• Gusto ko pong magreserba.

Here, po adds politeness and respect.

In customer-service situations, this is often better than the plain form, especially when speaking to someone older or when you want to sound courteous.

You may also hear more formal alternatives, but Gusto ko pong magreserba is a very useful polite version for everyday use.