Why is "Kumain ko ang mangga" grammatically wrong in Tagalog?

In Tagalog, the verb affix must match the case marker of the topic. "Kumain" is an Actor Focus (AF) verb requiring the actor to be the topic ("Kumain ako ng mangga"). If you want the mango to be the topic ("ang mangga"), you must use an Object Focus (OF) verb like "Kinain" with the genitive actor "ko" ("Kinain ko ang mangga").

What is the correct order of enclitic particles in Tagalog?

Enclitic particles follow strict hierarchical rules: monosyllabic pronouns (ka, ko, mo) precede monosyllabic particles (na, pa), followed by question markers (ba), adverbs (din/rin, daw/raw, naman), honorifics (po/ho), and limiters (lang/lamang). For example: "Kumain ka na ba?"

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English to Tagalog Correct Grammar Translator

Grammar-first translation that explains its choices: verb focus, aspect, case markers, and enclitic order. Switch to Translate & Improve for an alternative and a literal comparison, or correct an existing Tagalog translation without changing its meaning.

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Mastering Tagalog Grammar

A practical guide to English-to-Tagalog grammatical accuracy

Tagalog grammar is renowned for its expressive Austronesian voice system. Unlike English where word order dictates subject and object, Tagalog encodes semantic roles directly into verb affixes and relational markers.

Austronesian Verb Focus (Pokus ng Pandiwa)

The verb affix specifies which noun phrase is in focus (the topic, marked with ang or si). Choosing the wrong focus creates confusing or ungrammatical sentences:

Focus Type	Common Affixes	Example Sentence	English Meaning
Actor Focus (AF)	mag-, -um-, mang-	Bumili ako ng kotse.	I bought a car. (Focus on "I")
Object Focus (OF)	-in, i-, -an	Binili ko ang kotse.	I bought the car. (Focus on "the car")
Benefactive Focus (BF)	ipag-, ig-	Ipinagluto ko si Nanay.	I cooked for Mother. (Focus on beneficiary)
Locative Focus (LF)	-an	Pinuntahan namin ang isla.	We visited the island. (Focus on location)

Relational Case Markers (Pantukoy)

English relies on prepositions like "of", "to", and "for". Tagalog groups all noun relations into three marker sets:

ANG / SI (Nominative Focus)

Marks the trigger / topic of the sentence. Use si for proper personal names (si Maria) and ang for common nouns (ang guro).

NG / NI (Genitive / Actor)

Marks the non-focused actor in object-focus sentences, possessives (the book of Maria = libro ni Maria), and indefinites.

SA / KAY (Oblique / Directional)

Marks direction, location, beneficiary, or specific objects (e.g. ibigay kay Juan, pumunta sa palengke).

Enclitic Particles (Mga Kataga) Hierarchy

Particles float to the second position (Wackernagel's law) and must be sequenced in a strict linear order:

[Verb / First Word] + na / pa + ba + din / rin + daw / raw + po / ho + lamang / lang + nga + pala

✓ Correct Natural Order:

"Umuwi na po ba sila?"

Pronoun/Enclitic order preserved with respect particle.

✗ Robotic Machine Translation:

"Sila ba ay umuwi na po?"

Clunky "ay" inversion with misplaced honorific.

Common grammar traps and the grammatical fix

Trap: "I ate the bread"Focus Correction

Incorrect: "Kumain ko ang tinapay" (Actor-focus verb with genitive ko)

Correct: "Kinain ko ang tinapay." (Object-focus verb + genitive agent)

Trap: "Did you already finish your work?"Enclitic Particle Placement

Incorrect: "Natapos mo ba na ang iyong trabaho?" (Particle sequence reversed)

Correct: "Natapos mo na ba ang trabaho mo?" (Natural enclitic sequencing)

Correcting an existing Tagalog translation

If you already have a Tagalog translation, paste it into the tool, choose Translate & Improve, and tick “Correct an existing translation (keep meaning)”. The corrector fixes focus, aspect, case markers, spelling, and particle order. It should not rewrite the message for style.

If a correction would require changing your intended meaning, the tool should explain the conflict rather than applying it silently. Treat any correction as a suggestion until a fluent speaker has reviewed it.