A Filipino relative clause describes a head noun without an English relative pronoun such as that or which. Instead, the head noun is linked to a clause with na/-ng, and the missing role inside that clause must be compatible with its voice. To describe a patient as “the thing that someone affected,” patient voice selects that missing patient as pivot.
From an Independent Clause to a Relative Clause
Begin with a complete patient-voice clause:
Binasa ni Lila ang liham habang naghihintay siya sa klinika.
Lila read the letter while she was waiting at the clinic.
To use liham as the head of a relative construction, remove the pivot phrase from inside the descriptive clause and link the head noun to what remains:
Nasa mesa ang liham na binasa ni Lila habang naghihintay siya sa klinika.
The letter that Lila read while waiting at the clinic is on the table.
The relative clause na binasa ni Lila… contains a gap understood as the patient of binasa. Because that gap is the pivot of the relative clause, the expressed actor takes the ng-series form ni Lila.
The Linker Has Three Surface Shapes
The linker follows the form of the head noun: suffix -ng after a vowel, suffix -g after n, and separate na after other consonants. This is the same linker used elsewhere in noun modification; it is not a relative pronoun.
| Head ending | Linked form | Patient relative |
|---|---|---|
| Vowel | -ng | resibong tinupi ng kahera |
| n | -g | pagkaing niluto ni Ben |
| Other consonant | separate na | ulat na sinuri ng pangkat |
Dinala ko sa opisina ang resibong tinupi ng kahera.
I took the receipt that the cashier folded to the office.
Inuwi namin ang pagkaing niluto ni Ben para sa salu-salo.
We took home the food that Ben cooked for the gathering.
Babasahin bukas ang ulat na sinuri ng pangkat ngayong hapon.
The report that the team reviewed this afternoon will be read tomorrow.
Standard spelling attaches the suffix forms directly: resibo + -ng → resibong and pagkain + -g → pagkaing. English speakers often omit these linkers because English places that before a clause but uses no linker in phrases such as “the report reviewed by the team.” Filipino requires its own construction.
Voice Identifies the Head's Role
Compare two relative constructions built from the same reading event:
Dumating na ang gurong bumasa ng liham sa seremonya.
The teacher who read a letter at the ceremony has arrived. (actor head; actor voice)
Nasa opisina ang liham na binasa ng guro sa seremonya.
The letter that the teacher read at the ceremony is in the office. (patient head; patient voice)
In gurong bumasa ng liham, the missing role is the actor, so bumasa is actor voice. In liham na binasa ng guro, the missing role is the patient, so binasa is patient voice and the actor appears as ng guro. English can use active read in both relative clauses; Filipino changes voice to match the head's role.
Calling the second construction merely “passive” obscures the important generalization. The actor need not disappear, and the voice form is licensed by the patient head's relation to the gap.
The Head's Marker Belongs to the Main Clause
The head corresponds to the pivot gap inside the relative clause, but its visible marker is assigned by its role in the larger clause. It can therefore be ang-, ng-, or sa-marked outside the relative clause.
Nawala ang kard na pinirmahan ni Rosa para sa akin.
The card that Rosa signed for me went missing.
Kumuha ako ng kard na ginawa ng bagong kompanya.
I took a card that the new company made.
Sumulat ako sa kompanyang pinili ng lupon para sa proyekto.
I wrote to the company that the committee selected for the project.
In the first sentence, ang kard is the main-clause pivot. In the second, ng kard is a non-pivot patient of kumuha. In the third, sa kompanya is the endpoint of sumulat. Nevertheless, kard and kompanya each correspond to a patient pivot gap inside their own relative clause: pinirmahan ni Rosa _, ginawa ng kompanya _, and pinili ng lupon _.
This two-level analysis prevents a common error: choosing the relative verb's voice from the head noun's visible marker in the main clause. The internal role, not the external marker, controls the voice of the relative clause.
Aspect Remains Active Inside the Relative Clause
Patient relative clauses preserve normal aspect contrasts. The head can be related to a completed, ongoing, or contemplated event.
Iyan ang nobelang binabasa ni Marta habang bumibiyahe siya.
That is the novel Marta is reading while she commutes.
Nakahanda na ang mga dokumentong pipirmahan ng direktor mamayang hapon.
The documents that the director will sign later this afternoon are ready.
Binabasa presents the reading as incompleted; pipirmahan presents the signing as contemplated. The later time expression helps produce an English future translation, but Filipino verb morphology is still aspectual rather than person- or tense-based.
Negation and Questions
Negation can occur inside the relative clause, and the entire noun phrase can participate in a question.
Nasaan ang dokumentong hindi pinirmahan ng direktor kahapon?
Where is the document that the director did not sign yesterday?
The negator hindi denies the signing event. It does not change the fact that dokumento corresponds to the selected patient of pinirmahan.
Patient questions and patient relatives share the same pivot requirement:
Alin ang liham na sinulat ni Tess para sa punong-guro?
Which one is the letter that Tess wrote for the principal?
The matrix question asks which item is intended; within the noun phrase, liham is the missing patient pivot of sinulat.
A Short Exchange
—Nakita mo ba ang payong na iniwan ni Dado sa kantina? —Oo, ibinigay ko iyon sa guwardiya.
—Did you see the umbrella that Dado left in the cafeteria? —Yes, I gave it to the guard.
The first speaker identifies the umbrella through a patient relative. The second speaker continues tracking the same object with iyon, showing why patient-oriented relative clauses are effective tools for reference across turns.
Common Mistakes
Using actor voice for a patient head
❌ Nasa mesa ang liham na bumasa si Lila.
Incorrect — bumasa selects an actor, so it cannot leave a patient gap corresponding to liham.
✅ Nasa mesa ang liham na binasa ni Lila.
The letter that Lila read is on the table.
Marking the embedded actor with ang or si
❌ Kinuha ko ang susing pinulot si Omar.
Incorrect — the expressed actor in this patient relative needs the ng-series form ni Omar.
✅ Kinuha ko ang susing pinulot ni Omar.
I took the key that Omar picked up.
Omitting the linker
❌ Kinuha niya ang resibo tinupi ng kahera.
Incorrect — the vowel-final head resibo requires the linker -ng.
✅ Kinuha niya ang resibong tinupi ng kahera.
He or she took the receipt that the cashier folded.
Repeating the patient with a resumptive pronoun
❌ Ito ang liham na binasa ito ni Lila.
Incorrect — the patient gap should not be filled again by ito in this standard relative clause.
✅ Ito ang liham na binasa ni Lila.
This is the letter that Lila read.
Key Takeaways
- A patient relative has a head noun linked by na/-ng to a patient-voice clause with an unspoken patient pivot.
- The embedded actor takes an ng-series form: ng guro, ni Lila, nila.
- Linker shape depends on the head's final sound: -ng after a vowel, -g after n, and separate na after other consonants.
- The head's visible marker comes from the main clause; its gap remains the pivot inside the relative clause.
- Aspect, negation, and discourse reference continue to work normally inside relatives. See the relative-clause overview for the general construction and patient-voice questions for the closely related question pattern.
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Start learning Filipino →Related Topics
- Patient VoiceB1 — Use patient voice to select an affected or delimited participant as pivot while retaining the actor as a core ng-series phrase.
- Patient Voice: Participant MarkingB2 — Mark patient pivots, non-pivot actors, and oblique participants correctly in Filipino patient-voice clauses.
- Patient Voice: QuestionsB2 — Form patient-voice yes-no and content questions while preserving pivot choice, participant marking, and natural enclitic placement.
- Actor Voice: Relative ClausesB2 — Build relative clauses whose head is the actor pivot, using the correct linker, voice form, gap, and participant marking.
- Relative Clauses: OverviewB2 — Learn how Filipino relative clauses use linkers and voice to identify a head noun without English relative pronouns.
- Linker Allomorphy: na versus -ngA2 — Choose among separate na, attached -ng, and attached -g from the final sound of the immediately preceding element.