Why bili becomes mamili — three rules that replace a hundred memorised words
Lesson 1 left you with a puzzle: sulat gives panulat, but hugas gives panghugas and bura gives pambura. Three different prefixes? No — one prefix, written paN-, whose final nasal takes its shape from the sound that follows it. The same happens to maN- on verbs.
Learn the rule once and you stop memorising these forms. You generate them.
The nasal at the end of paN- / maN- moves to where the next sound is made in the mouth. This part is exceptionless:
| If the root starts with… | paN- becomes | maN- becomes | Example |
|---|---|---|---|
| p, b, m (lips) | pam- | mam- | bili → mamili |
| d, l, r, s, t, n (tongue-tip) | pan- | man- | tahi → manahi |
| a, e, i, o, u, k, g, h, w, y, ng (back / open) | pang- | mang- | isda → mangisda |
Assimilation is only half the story. In most words, the root's own first consonant then disappears:
| Root | Literally | Actual form | Meaning |
|---|---|---|---|
| bili | maN + bili | mamili | to shop / to choose |
| punas | maN + punas | mamunas | to wipe (habitually) |
| putol | paN + putol | pamutol | a cutting tool |
| tahi | maN + tahi | manahi | to sew (as work) |
| sulat | paN + sulat | panulat | a pen |
| kuha | maN + kuha | manguha | to gather / collect |
Deletion is usual after p, b, t, s, k. It never happens after l, r, m, n, ng, h, w, y, g, or a vowel:
| Root | Form | Why the consonant stays |
|---|---|---|
| hugas | panghugas | h never deletes |
| hiram | manghiram | h never deletes |
| gamot | manggamot | g never deletes |
| isda | mangisda | vowel-initial — nothing to delete |
| Pattern | Gives you | Examples |
|---|---|---|
| paN- + root | the tool | panulat (pen), panghugas (dish soap), pamunas (rag), pantahi (needle & thread) |
| maN- + root | the habitual / occupational verb | mamili (shop), mangisda (fish for a living), manahi (sew as work) |
| maN- + reduplication | the person who does it | mangingisda (fisherman), manunulat (writer), manggagamot (healer), mandurukot (pickpocket) |
Mamimili ako sa palengke bukas. — I'll do the shopping at the market tomorrow.
Ang tatay niya ay mangingisda sa Batangas. — His father is a fisherman in Batangas.
Wala akong panulat; may pambura lang ako. — I have no pen; I only have an eraser.
This circumfix marks something you came to know, feel, or manage — not something you set out to do.
| Root | Form | Completed | Meaning |
|---|---|---|---|
| tanda | matandaan | natandaan | to manage to remember |
| intindi | maintindihan | naintindihan | to grasp / understand |
| ramdam | maramdaman | naramdaman | to feel / perceive |
| alam | malaman | nalaman | to find out |
Naintindihan ko ang sinabi mo. — I understood what you said.
Naramdaman niya ang lindol. — She felt the earthquake.
Hindi ko natandaan ang pangalan niya. — I couldn't remember his name.
Compare the deliberate versions: tandaan mo ("make a point of remembering") is an instruction; natandaan ko is something that happened in your head.
Intermediate Lesson 4 gave you magpa- and ipa- for having things done. These two are the close relatives:
| Pattern | Meaning | Examples |
|---|---|---|
| pa- + root + -in | make someone do it | pakainin (feed), painumin (give a drink), patulugin (put to sleep), paupuin (seat someone) |
| pa- + root + -an | direct the action at someone | pahiraman (lend to), pabilhan (buy for/from), pautangan (extend credit to) |
Pakainin mo ang aso bago tayo umalis. — Feed the dog before we go.
Pinahiraman niya ako ng libro. — She lent me a book.
| Verb | Meaning | Aspects |
|---|---|---|
| maging | to become | naging / nagiging / magiging |
| magkaroon | to come to have | nagkaroon / nagkakaroon / magkakaroon |
| magka- + root | to fall into a state | magkasakit, magkapera, magkaanak |
Naging guro siya pagkatapos ng kolehiyo. — He became a teacher after college.
Nagkaroon kami ng pagkakataong magkita. — We had a chance to meet.
Nagkasakit ang nanay ko noong nakaraang taon. — My mother fell ill last year.
Write pam-, pan-, or pang-:
Give the finished maN- verb:
Give the maN- + reduplication noun:
Give the completed form:
Fill in the missing verb:
You have just traded a vocabulary list for a generator. Every pang- tool-name and mang- occupation you meet from here — and Filipino coins new ones constantly — decomposes into a root plus a rule you now own. Next, the sentence itself gets rearranged: Lesson 3 takes apart ay, the single most misunderstood word in formal Tagalog.