A headless relative clause leaves the general noun unspoken: ang dumating “the one who arrived,” ang binili ni Mara “what Mara bought,” ang mga hindi nakadalo “those who could not attend.” The marker and embedded predicate together form a noun-like phrase. Context and verb meaning supply a broad interpretation such as “person,” “thing,” or “ones.”
Headless relatives preserve the same pivot restriction as headed linker relatives. The understood referent corresponds to the embedded pivot, so voice still determines whether it is an actor, patient, location, recipient, or another selected participant.
Compare the overt-head system on ang-marked head relative clauses.
Core patterns
| Pattern | Understood referent | Example |
|---|---|---|
| ang + actor-voice clause | the person/one acting | ang tumawag kahapon |
| ang + patient/undergoer or conveyance clause | the selected thing/person | ang ipinadala ni Mina (conveyed theme) |
| ang mga + relative clause | the people/things that... | ang mga naghihintay |
| ng/sa + headless relative | a non-pivot or oblique participant in matrix clause | para sa nangangailangan |
| may/walang + headless relative | someone/something; no one/nothing | may kumakatok |
No linker appears immediately before the predicate because there is no overt head noun to link.
From a headed phrase to a headless phrase
Dumating na ang kawaning nagdala ng mga susi.
The employee who brought the keys has arrived. (headed actor relative)
If the listener can infer a person, omit kawani and its linker:
Dumating na ang nagdala ng mga susi.
The one who brought the keys has arrived. (headless actor relative)
Actor-voice nagdala makes the understood referent the actor pivot. Ng mga susi remains its non-pivot patient.
The same alternation works for a patient:
Nasa mesa ang paketeng iniwan ni Cora.
The package that Cora left is on the table. (headed undergoer relative)
Nasa mesa ang iniwan ni Cora.
What Cora left is on the table. (headless undergoer relative)
Patient/undergoer-voice iniwan makes the understood item the undergoer pivot, while ni Cora remains the actor. English what does not license a different Filipino voice pattern.
Number and human reference
Pakisabihan ang mga naghihintay sa labas na magsisimula na ang pagpupulong.
Please tell those waiting outside that the meeting is about to begin.
Mga makes the headless group plural. Actor-voice naghihintay supports the human reading, but mga itself does not encode humanness.
Ihiwalay natin ang mga nasira sa mga maaari pang ayusin.
Let's separate the damaged ones from those that can still be repaired.
Here context favors inanimate objects. Headless relatives have no grammatical gender and do not automatically distinguish people from things.
Personal si is generally not the ordinary marker for an unidentified headless description. Siya ang tumawag means “He/she is the one who called,” where siya identifies the referent and ang tumawag is the headless description.
Si Lorna ang nag-iwan ng payong sa guwardiya.
Lorna is the one who left the umbrella with the guard.
This identificational structure contrasts Lorna with other possible actors. It is not a simple English subject–verb clause and needs no ay.
External markers come from the larger clause
The headless relative's role in the matrix clause determines its visible marker.
Naglaan ang samahan ng pagkain para sa mga nawalan ng tirahan.
The association allocated food for those who lost their homes.
The headless group appears inside oblique para sa. Within nawalan ng tirahan, the understood people are the pivots of the state/change predicate.
Makipag-usap ka sa namamahala bago magsumite ng reklamo.
Speak with the person in charge before submitting a complaint.
The whole headless phrase is sa-marked by makipag-usap, but its understood referent is the actor pivot of incompleted namamahala inside the relative clause. Matrix marking and embedded accessibility remain separate.
Existential headless relatives
May kumakatok sa bintana mula sa labas.
Someone is knocking on the window from outside.
Walang sumagot nang tawagin ng nars ang susunod na pasyente.
No one answered when the nurse called the next patient.
May introduces an understood actor of kumakatok; wala denies any actor of sumagot. The negative existential is not hindi may. These constructions are compact presentations rather than definite ang-marked descriptions.
May dapat nating dalhin sa punong barangay bago magtanghali.
There is something we need to take to the barangay chair before noon.
Modal dapat and basic patient/undergoer-voice dalhin support an understood thing as undergoer pivot. Inclusive ng-form natin marks the actor and includes the addressee.
Negation, questions, and scope
Alin ang hindi pa nasusuri ng pangkat?
Which one has not yet been examined by the team?
Alin asks which referent satisfies the negative headless description ang hindi pa nasusuri ng pangkat. The incompleted ability/result form nasusuri keeps the understood referent as the item under review.
Hindi lahat ng dumalo ay pumabor sa panukala.
Not everyone who attended supported the proposal. (formal)
This ay construction gives hindi lahat ng dumalo wide-scope quantificational framing. It does not mean that nobody supported the proposal. Scope differences matter when negation combines with lahat, wala, or a headless relative.
Ang-relative versus kung-plus-wh free-relative-like forms
Ang gumawa nito means “the one who did this” and uses a pivot-sensitive headless relative. Kung sino ang gumawa nito introduces an embedded unknown identity or a free-relative-like “whoever/who it was” reading. These are not freely interchangeable.
Alam ko kung sino ang gumawa nito, pero hindi ko sasabihin.
I know who did this, but I will not say.
The kung sino clause is the complement of alam ko. It is not simply an ang-marked headless actor relative. Unrestricted “anyone/no matter who” normally uses kahit sino, not automatic kung sino.
A short exchange
—Alin ang dadalhin natin sa pulong? —Ang ginawa ni Tess, hindi ang ipinadala ng kabilang pangkat.
—Which one will we bring to the meeting? —The one Tess made, not the one the other group sent.
Both answers are pivot-sensitive headless relatives. Ginawa uses patient/undergoer voice, while ipinadala is a completed conveyance form whose selected referent is the sent theme. Their expressed actors use ng-series marking: ni Tess and ng kabilang pangkat.
Common Mistakes
1. Adding a linker without an overt head
❌ Dumating na ang na nagdala ng gamot.
Incorrect — there is no overt noun for na to link to the clause.
✅ Dumating na ang nagdala ng gamot.
The one who brought the medicine has arrived.
2. Repeating the understood pivot
❌ Nasa aparador ang itinago iyon ni Nena.
Incorrect — iyon repeats the patient already represented by the headless relative.
✅ Nasa aparador ang itinago ni Nena.
What Nena hid is in the cabinet.
3. Using actor voice for an understood undergoer
❌ Nasira agad ang bumili si Pio kahapon.
Incorrect for ‘what Pio bought’ — bumili selects si Pio as actor pivot rather than leaving an understood undergoer gap.
✅ Nasira agad ang binili ni Pio kahapon.
What Pio bought yesterday broke immediately.
4. Negating an existential with hindi may
❌ Hindi may tumulong sa amin sa terminal.
Incorrect — absence of any helper requires wala.
✅ Walang tumulong sa amin sa terminal.
No one helped us at the terminal.
Key Takeaways
- A headless relative omits the generic noun but retains a voice-defined pivot gap.
- Ang, ng, sa, may, wala, and mga shape how the whole headless expression functions and refers.
- Context determines whether the understood referent is a person, thing, or group.
- Do not insert a linker when no overt head is present or repeat the gap with a pronoun.
- Ang-relatives and kung-plus-wh clauses are related but grammatically distinct strategies.
Related Topics
- Relative Clauses: OverviewB2 — Learn how Filipino relative clauses use linkers and voice to identify a head noun without English relative pronouns.
- Ang-Marked Head Relative ClausesC1 — Build ang-marked noun phrases whose linked relative clauses describe the head through a voice-compatible pivot gap.
- Existential Relative ClausesA2 — Build existential clauses with overt or understood heads, and align relative-clause voice with the participant being introduced.
- Noun Ellipsis and Recoverable HeadsA1 — Learn when Filipino omits a contextually recoverable noun and lets an adjective, numeral, possessor, or relative expression identify the referent.
- Actor Voice: Relative ClausesB2 — Build relative clauses whose head is the actor pivot, using the correct linker, voice form, gap, and participant marking.
- Patient Voice: Relative ClausesB2 — Build relative clauses whose head is the patient pivot, with the correct voice, linker, participant marking, and aspect.