Erode is often used with by for cause, into for change, and over for gradual process through time.
Use erode by to show the cause of erosion, erode into to describe gradual change, and erode over to talk about a process through time. In and on are usually location adjuncts rather than fixed combinations.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use by for forces, actions, or conditions that create erosion.
Into introduces the result of a slow change.
Over commonly introduces a period during which erosion happens.
In usually introduces conditions or location rather than a fixed pattern.
On normally refers to the surface where erosion appears.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
Into describes the result, not the reason.
✕ The beach eroded into strong waves. ✓ The beach eroded by strong waves.Over is more natural for gradual change through time.
✕ Trust eroded by several years. ✓ Trust eroded over several years.In usually adds environmental context.
✕ The company eroded in customer trust. ✓ The company saw customer trust erode over time.On normally belongs to a separate phrase about surface or location.
✕ The rain eroded on the hillside. ✓ The rain eroded the hillside.Choose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
Eroded by is the usual pattern when naming the cause, such as wind or water.
It describes a gradual change into a new form or state.
Yes. Erode over is common for changes that happen slowly through time.
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