Kay introduces one personal name or name-like title in an oblique function. It commonly marks a recipient, destination, source, person related by a relator, or owner in a possessive predicate: kay Lito can mean “to Lito,” “at Lito's place,” “from Lito” after mula/galing, or “Lito's” in Kay Lito ang bag. The surrounding predicate or relator supplies the exact relation.
Kay in the personal marker series
| Phrase function | One named person | Common-noun counterpart | Example |
|---|---|---|---|
| Pivot | si Lito | ang guro | dumating si Lito |
| Non-pivot or possessor | ni Lito | ng guro | susi ni Lito |
| Oblique, recipient, or destination | kay Lito | sa guro | ibinigay kay Lito |
| Plural personal oblique | kina Lito at Mara | sa mga guro | para kina Lito at Mara |
Kay does not correspond to one English preposition. English chooses to, at, from, for, or a possessive according to meaning; Filipino selects the personal oblique form and lets the construction specify that meaning.
Recipients and people contacted
A singular named recipient normally takes kay when the recipient is not the pivot.
Nagpadala ako ng mensahe kay Pilar bago magsimula ang pulong.
I sent Pilar a message before the meeting began.
The actor-voice clause selects ako as pivot. Ng mensahe is the non-pivot conveyed item, and kay Pilar is the personal recipient.
Tumawag si Elena kay Marco para linawin ang oras ng ensayo.
Elena called Marco to confirm the rehearsal time.
With actor-voice tumawag, the person contacted is expressed as an oblique. English treats Marco like a direct object, but English objecthood does not determine the Filipino marker.
The same recipient can remain oblique when the conveyed item becomes pivot:
Ibinigay ni Mara kay Lito ang aklat pagkatapos ng klase.
Mara gave Lito the book after class.
Conveyance-voice ibinigay selects ang aklat as pivot. Mara is the non-pivot actor with ni, while Lito remains kay.
Voice can promote the recipient to pivot
Compare the preceding clause with recipient-oriented locative voice:
Binigyan ni Mara ng aklat si Lito pagkatapos ng klase.
Mara gave Lito a book after class.
Binigyan selects the recipient as pivot, so kay Lito changes to si Lito. The book is now non-pivot ng aklat. These clauses describe closely related events but organize attention differently:
| Voice choice | Pivot | Recipient form |
|---|---|---|
| Actor voice: nagbigay | giver: si Mara | oblique: kay Lito |
| Conveyance voice: ibinigay | item: ang aklat | oblique: kay Lito |
| Recipient-oriented locative voice: binigyan | recipient: si Lito | no kay; recipient is pivot |
The full alternation belongs on locative-voice participant marking; at A1, notice that voice can change the personal marker even when English word order barely changes.
Destinations and associated places
With motion and visits, kay + person can mean toward that person or to the place associated with that person.
Dadaan kami kay Tita Nena bago umuwi.
We will stop by Aunt Nena's place before going home.
Context supplies the place reading. Dadaan kami sa bahay ni Tita Nena explicitly names the house and is preferable when the location must be unambiguous. In Pupunta ako kay Dr. Reyes, the likely destination may be the doctor's office, consultation room, or current location, depending on the situation.
Compare a common destination:
Pupunta muna ako sa klinika, saka ako dadaan kay Dr. Reyes.
I will go to the clinic first, then I will stop by Dr. Reyes's office.
Sa klinika uses the common/nonpersonal marker. Kay Dr. Reyes uses the personal counterpart because the destination is identified through a person.
Sources and relational phrases
After relational words, kay marks one named personal complement.
Galing kay Arturo ang balita tungkol sa pagbabago ng iskedyul.
The news about the schedule change came from Arturo.
Para kay Celia ang upuang malapit sa bintana.
The chair near the window is for Celia.
Other frequent combinations include mula kay “from,” tungkol kay “about,” ayon kay “according to,” and laban kay “against.” With a common noun, the corresponding forms use sa: para sa guro, tungkol sa doktor. Do not insert an extra sa before kay in ordinary forms such as para kay Celia.
Comparison expressions can likewise select a personal oblique: the fuller neutral form is mas matangkad kaysa kay Leo “taller than Leo,” while mas matangkad kay Leo is frequent in conversation (informal). The available comparison patterns vary by construction; what matters here is that the personal complement itself is kay Leo.
Kay in ownership predicates
To predicate ownership, Filipino can place a kay phrase first or after the item:
Kay Lino ang payong na naiwan sa silid.
The umbrella left in the room belongs to Lino.
Inside a noun phrase, use ni instead: ang payong ni Lino “Lino's umbrella.” The contrast is structural:
- payong ni Lino identifies an umbrella through its possessor;
- Kay Lino ang payong asserts that the umbrella belongs to Lino.
English possessive wording encourages learners to use one marker in both places, but Filipino distinguishes an internal possessor from an oblique ownership predicate.
Questions, negation, and address
The interrogative kanino asks for a personal or animate oblique/owner.
Kanino mo ibibigay ang ekstrang susi? — Kay Nora, para may kopya rin siya.
Who will you give the spare key to? — To Nora, so she will have a copy too.
The answer can be the short phrase Kay Nora because the omitted predicate is recoverable.
Hindi ko ipinadala kay Ramon ang maling dokumento.
I did not send Ramon the wrong document.
Negation does not remove kay; Ramon remains the oblique recipient of ipinadala.
Direct address is different. In Ramon, pakibasa ito, the name is a vocative outside the clause and takes no marker. A label, signature, or attendance list can also omit a marker (label/register-specific); ordinary clause use still requires the appropriate form.
The exclamatory kay in Kay ganda ng tanawin! “How beautiful the view is!” is a different construction. It precedes an adjective, not a personal name, and should not be analyzed as this oblique marker.
Common Mistakes
1. Using sa directly before an ordinary personal name. The singular personal counterpart is kay.
❌ Nagpadala ako ng paanyaya sa Marites.
Incorrect in the neutral standard — Marites is a personal-name recipient.
✅ Nagpadala ako ng paanyaya kay Marites.
I sent Marites an invitation.
2. Using ni for a recipient because English can use a possessive elsewhere. Ni is non-pivot/possessive, not oblique.
❌ Iabot mo ni Paolo ang sobre.
Incorrect — Paolo is the person receiving the envelope.
✅ Iabot mo kay Paolo ang sobre.
Hand the envelope to Paolo.
3. Using kay for a possessor inside a noun phrase. Internal singular personal possession takes ni.
❌ Naiwan dito ang telepono kay Belen.
Incorrect for ‘Belen's phone’ — kay does not mark the internal possessor.
✅ Naiwan dito ang telepono ni Belen.
Belen's phone was left here.
4. Keeping kay when the recipient is promoted to pivot. Recipient-oriented binigyan selects a si phrase.
❌ Binigyan ni Leo ng kopya kay Mara.
Incorrect in this locative-voice pattern — the recipient is the pivot.
✅ Binigyan ni Leo ng kopya si Mara.
Leo gave Mara a copy.
Key Takeaways
- Kay is the singular personal counterpart of oblique sa.
- It can mark a recipient, destination, associated place, source, relational complement, or ownership predicate.
- Voice can promote a kay recipient to pivot si.
- Use ni for a possessor inside a noun phrase but kay in Kay Lino ang payong.
- The specific English preposition comes from the entire construction, not from kay alone.
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Start learning Filipino →Related Topics
- si for Singular Personal NamesA1 — Use si to mark one personal name as pivot and switch to ni, kay, or sina when role or number changes.
- ni for Singular Personal Non-PivotsA1 — Use ni before one personal name when that person is a non-pivot participant or a possessor.
- kina for Plural Personal ObliquesA1 — Use kina before a coordinated or associated personal group in recipient, destination, source, and other oblique roles.
- sa as Oblique and Locative MarkerA1 — Use sa for locations, paths, goals, recipients, and other oblique phrases while tracking how voice can promote a location to pivot.
- Locative Voice: Participant MarkingB2 — Mark affected places, goals, actors, themes, and secondary locations correctly in Filipino locative-voice clauses.
- sa as General RelatorB1 — Use sa for broad location, direction, time, recipient, reference, and stimulus relations without mapping English prepositions one for one.