Translating English Prepositions One-for-One | Filipino Grammar

English prepositions divide relationships in an English-specific way. Filipino often uses broad sa, but it also uses kay, ng, relational nouns such as harap and tabi, predicates such as kasama, instrument phrases with gamit, or no separate relator at all. Translating in, on, at, to, with, for, of, or by before choosing the Filipino predicate regularly produces the wrong relation.

The repair is to recast the whole event: identify location, destination, recipient, companion, instrument, manner, source, beneficiary, duration, or a participant selected by voice, then choose the Filipino frame.

English form does not determine Filipino form

English preposition	Intended relation	Frequent Filipino strategy
in/on/at	general location	sa; locative predicate nasa
to	destination / common-noun recipient	sa
to	named personal recipient	kay/kina
with	companion / instrument / manner	kasama / gamit ang / nang
for	beneficiary / duration / purpose	para sa / duration phrase / purpose clause
by	actor / instrument / deadline / proximity	ng/ni / gamit / bago / sa tabi ng
of	possessor / contents / association	ng/ni or a lexical compound

This is a decision map, not a conversion chart. The governing Filipino predicate and the role of its complement are decisive.

In, on, and at often converge on sa

English selects a preposition partly from the shape of a location. Filipino frequently lets the predicate and context carry that distinction.

Nasa aparador sa tabi ng bintana ang mga kumot.

The blankets are in the cabinet beside the window.

Isinabit niya sa pader ang kalendaryo bago magsimula ang klase.

She hung the calendar on the wall before class began.

Nagkita kami sa aklatan pagkatapos ng tanghalian.

We met at the library after lunch.

The three English prepositions become sa-series relations, while nasa, isinabit, and nagkita establish static location, attachment, and meeting place. More words do not automatically add accuracy: sa ibabaw ng pader means on the wall's upper edge or top, not attached to its face.

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Choose the predicate and the physical relation together. A dictionary entry for the English preposition cannot tell you whether Filipino needs sa, nasa, or a relational noun.

To splits into destination and recipient frames

A common-noun destination or recipient generally takes sa. A singular personal name as recipient takes kay.

Dumiretso si Nena sa tanggapan upang kunin ang kaniyang sertipiko.

Nena went straight to the office to collect her certificate.

Ipinasa ng kalihim kay Ginoong Reyes ang liham na kailangang lagdaan.

The secretary passed the letter that needed signing to Mr. Reyes.

The honorific does not turn kay into sa. By contrast, a named person after a spatial relational noun is marked as that noun's reference point: sa likod ni Ginoong Reyes “behind Mr. Reyes.”

English to before an infinitive is another construction entirely. Purpose may use upang (formal) or para with an appropriate complement (neutral); it is not automatically sa.

With separates companion, instrument, and manner

Pumunta si Lito sa munisipyo kasama ang kaniyang pinsan.

Lito went to city hall with his cousin.

Binuksan ng tagapag-ingat ang baul gamit ang maliit na susi.

The custodian opened the trunk with a small key.

Nakipag-usap siya nang mahinahon sa nagrereklamong kostumer.

She spoke calmly with the customer who was complaining.

English with introduces a companion, an instrument, and an interlocutor/manner complex. Filipino distributes those meanings across kasama, gamit ang, nang mahinahon, and the reciprocal/social verb nakipag-usap. Substituting one general preposition would erase participant structure.

For does not always mean para sa

Para sa naturally marks an intended recipient or beneficiary.

Nagtira kami ng dalawang upuan para sa mga tagapagsalita.

We reserved two seats for the speakers.

Duration uses a measurement frame instead:

Naghintay kami nang mahigit isang oras bago tawagin ang aming numero.

We waited for more than an hour before our number was called.

Nang mahigit isang oras measures duration. Para sa isang oras would more readily describe intended allocation or a time slot, depending on context, not simply elapsed waiting time.

Purpose can be recast as a clause:

Nagtabi siya ng pera upang makabili ng bagong salamin sa mata.

She set aside money in order to buy new eyeglasses. (formal purpose connector)

By requires the largest recast

Patient-voice actors take ng/ni, instruments can use gamit ang, deadlines use bago or pagsapit ng, and proximity uses sa tabi ng.

Sinuri ng parmasyutiko ang reseta bago mag-alas-singko.

The prescription was checked by the pharmacist before five o'clock.

English has by twice in possible paraphrases—agent and deadline—but Filipino assigns different structures. Voice selects ng parmasyutiko as non-pivot actor; bago marks the deadline boundary.

Some verbs select a participant, not a preposition

English learners often add sa because English uses to or with. Filipino voice may already select that participant.

Tinulungan ako ng kapitbahay na ilipat ang mabigat na mesa.

The neighbor helped me move the heavy table.

Ako is the pivot selected by tinulungan. Adding sa akin would break this locative/patient-voice frame. Compare actor-oriented Tumulong sa akin ang kapitbahay, which is also standard but organizes the event differently: “The neighbor helped me.”

Lexical selection must sometimes be memorized: nakinig sa paliwanag, sumang-ayon sa mungkahi, interesado sa kasaysayan, and takot sa ahas. English listen to, agree with, interested in, and afraid of do not predict four different Filipino relators.

Questions, negation, and an exchange

Hindi ba sa bulwagan gaganapin ang pagpupulong sa Biyernes?

Won't the meeting be held in the hall on Friday?

The first sa marks venue and the second participates in the time expression. Neither is a literal translation chosen independently.

—Kanino mo ibinigay ang ekstrang susi? —Kay Aling Cora, dahil siya ang magbubukas ng tindahan bukas.

—To whom did you give the spare key? —To Ms. Cora, because she will open the shop tomorrow.

Personal interrogative kanino and answer kay Aling Cora belong to the personal oblique series.

The broader relation inventory appears under English preposition transfer into Filipino.

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If a one-word substitution fails, do not search for another preposition first. Check whether Filipino expresses the relationship through voice, a predicate, a relational noun, or a clause.

Common Mistakes

Copying to before a personal recipient

❌ Iniabot ko sa Pedro ang kaniyang payong.

Incorrect — a singular personal-name recipient takes kay.

✅ Iniabot ko kay Pedro ang kaniyang payong.

I handed Pedro his umbrella.

Using accompaniment for an instrument

❌ Hinati niya ang tinapay kasama ang kutsilyo.

Incorrect for the intended instrument reading — kasama presents accompaniment.

✅ Hinati niya ang tinapay gamit ang kutsilyo.

She divided the bread with a knife.

Translating duration with para sa

❌ Nag-usap sila para sa tatlong oras tungkol sa kasunduan.

Incorrect for simple elapsed duration — para sa suggests intended allocation or purpose.

✅ Nag-usap sila nang tatlong oras tungkol sa kasunduan.

They talked for three hours about the agreement.

Adding sa to a voice-selected participant

❌ Tinawagan ko sa aking kapatid pagkauwi ko.

Incorrect — the person called is the pivot selected by tinawagan.

✅ Tinawagan ko ang aking kapatid pagkauwi ko.

I called my sibling when I got home.

Key Takeaways

Recast the relationship before choosing a Filipino relator.
Broad sa covers many locations and destinations, but personal recipients require kay/kina.
English with, for, and by each split into several Filipino constructions.
Voice can select a participant directly, making an added preposition wrong.
Learn frequent predicates together with their complement frames rather than memorizing bilingual preposition pairs.

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