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Prepositions after verbs

Light by, light in, and light on

These combinations have different meanings and levels of naturalness. Light on is a common phrasal verb, while light by and light in usually depend on the wider sentence.

Quick answer

Which phrase is most common?

Light on is a standard phrasal verb meaning land on or discover by chance. Light by can describe means, such as light by candles. Light in is usually not a fixed combination and normally refers to location, as in light in the room.

The bird lighted on a branch.
The hall was lit by candles.
There was little light in the tunnel.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
light on + place

Landing somewhere

Light on can mean come down and settle on a surface.

A butterfly lighted on her shoulder.
2
light on + idea or subject

Finding something by chance

Light on may also mean discover unexpectedly.

She lit on a useful article online.
3
lit by + source

Showing a source of illumination

Passive forms with by explain what provides the light.

The street was lit by lanterns.
4
light in + place

Describing illumination in a location

Here in introduces a place, not a fixed verb-preposition pattern.

There is not much light in this office.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
light on
The bee lighted on the window.
land or settle on something
light on
He lit on a clever solution.
discover by chance
light by
The room was lit by oil lamps.
show the source of illumination in a passive structure
light in
There is soft light in the hallway.
in introduces a location rather than forming a phrasal verb

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using light in as a phrasal verb

Light in is usually not treated as a fixed verb-preposition combination.

✕ The bird lighted in the fence. ✓ The bird lighted on the fence.

Confusing lit and lighted

Both past forms exist, but lit is more common in modern English.

✕ The room light by candles. ✓ The room was lit by candles.

Quick practice

Choose the expression that matches the intended meaning.

1. A small bird ___ the roof.
2. The cabin was ___ a fire.
3. We found very little ___ the cave.

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Frequently asked questions

Is light on old-fashioned?

It is still correct, though it may sound literary in some contexts.

Can light by mean ignite with something?

In some technical or older uses, yes, but modern English more often uses forms like light with a match.

Is lit better than lighted?

Both are correct past forms, but lit is more common in everyday English.

label, as, label, with lag behind, in, from, on or by? "land on" or "land in"? languish in, at, on, for or near? last for, from, until, in or through? "latch onto" or "latch on"? laugh at, with, about, in or for? launch in, by, on, at or into? "lay on" or "lay in"? lead to, by, up, in or from? "leak to" or "leak from"? lean on, towards, against, toward or to?

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