Gerund vs Relative Clause (the man walking / who walks)

English uses the "-ing" form for two completely different jobs, and Romanian splits them apart. In "I saw her leaving", the "-ing" is adverbial — it describes a perceived, simultaneous action, and Romanian matches it with the gerund: Am văzut-o plecând. But in "the man walking down the street", the "-ing" is attributive — it modifies a noun, like an adjective — and here Romanian refuses the gerund and demands a full relative clause: omul *care merge pe stradă, never *omul mergând*. This page draws that line. Get it wrong and you produce the single most recognisable English-calque error an advanced learner makes; get it right and your Romanian sounds genuinely native.

This builds on using the gerunziu (its four adverbial functions and clitic fusion) and relative clause syntax (how care clauses are built). Here we focus only on the choice between them.

The core distinction: adverbial/perceptual vs attributive

The whole decision rests on one question: does the "-ing" describe the action (adverbially) or modify a noun (attributively)?

• If it sets the scene around the main verb — while/by/when doing, or it is what you perceive someone doing — it is adverbial, and Romanian uses the gerund.
• If it picks out which noun you mean — "the man walking (= the man who is walking)" — it is attributive, and Romanian uses a relative clause with care.

English blurs this because one form ("-ing") serves both. Romanian keeps them in separate boxes, and the gerund is never allowed in the attributive box.

Where the gerund IS correct: adverbial scene-setting

When the gerund supplies the circumstance around the main verb — the simultaneous backdrop, the manner, the cause, the means — it is doing its proper job. Its subject is the same as the main clause's subject, and it floats next to the main verb rather than attaching to a noun.

In each of these you could paraphrase with "while / as I…" — the giveaway of an adverbial gerund. None of them modifies a noun; they all modify the act of the main verb.

Where the gerund is also correct: the perception complement

The second clearly gerund-friendly slot is after verbs of perception — a vedea (see), a auzi (hear), a găsi (find), a surprinde (catch sight of), a simți (feel). Here the gerund names what you perceived the object doing, captured mid-action. Crucially, the gerund's subject here is the object of the perception verb (her, him, them), not the main subject — and Romanian allows this only because perception verbs license it.

Note the clitic fusing onto the gerund (văzut-o plecând, certându-se, ștergându-și) — the -u- linking pattern from the usage page. This perception-complement use is exactly the English "I saw her leaving" pattern, and it is one of the few places Romanian's gerund and English's "-ing" line up perfectly.

Where the gerund is WRONG: attributive modification

Now the prohibition. When the "-ing" tells you which noun — when it could be reworded as a "who/which" clause — Romanian cannot use the gerund. "The man walking" means "the man who is walking", and that is a relative clause: omul care merge. The gerund *omul mergând is simply ungrammatical; it is the calque that immediately marks a non-native.

Every one of these English "-ing" phrases is a reduced relative ("the man who is running", "an email which confirms"). English can drop the "who is"; Romanian cannot — it restores the full care + finite verb. The gerund has no attributive form because it is, by its nature, adverbial.

The minimal pair that makes it click

Hold these two sentences side by side. They share a verb (a pleca) and a gerund-shaped English, yet only one allows the Romanian gerund:

In the first, plecând describes the action I perceived — adverbial, gerund correct. In the second, "leaving now" identifies which woman — attributive, so it must be care pleacă. Same English word, opposite Romanian structures. Internalising this pair is the fastest route to the whole rule.

A note on the participle: the other "-ing" trap

One more pitfall: some English "-ing" words that look attributive are actually rendered in Romanian by the participle as an adjective, not by a relative and not by the gerund — but only when the meaning is passive or stative. "Boiling water" is apă clocotită or apă care fierbe, "a tiring day" is o zi obositoare (a derived adjective). These belong to the participle as adjective page; the point here is simply that the gerund is never the answer for a noun-modifying "-ing". Your options are a relative clause or a true adjective — never -ând/-ind.

Why English speakers get this wrong

The error is a direct calque of English's reduced relative clause. English routinely shortens "the people who are waiting" to "the people waiting", and the learner reproduces that compression with the only "-ing"-shaped tool Romanian seems to offer — the gerund — yielding *oamenii așteptând. The fix is a hard rule: the gerund never modifies a noun. The moment your "-ing" answers "which one?", switch to care + finite verb.

A subtler version of the same error attaches the gerund to a noun for "description" rather than scene-setting: *o carte vorbind despre război for "a book talking about the war". Again, this is attributive — o carte *care vorbește despre război* — and the gerund is barred.

Common Mistakes

Key Takeaways

• The gerund (-ând/-ind) is adverbial and perceptual: it sets the scene around the main verb (Mergând spre casă...) or names what you perceived someone doing (Am văzut-o plecând).
• The gerund cannot modify a noun. Romanian has no reduced relative: "the man walking" is omul care merge, never *omul mergând.
• The test: reword the English "-ing" as "who/which
  • verb". If it works, it is attributive → use care
    • finite verb. If "while/by/when" works, it is adverbial → use the gerund.
• After perception verbs (vedea, auzi, găsi, surprinde), the gerund names the object's simultaneous action: L-am găsit dormind, I-am auzit certându-se.
• For a noun-modifying "-ing", your only options are a relative clause or a true adjective/participle — never the gerund.