English UsageComparison guide

Be Eager To Do vs. Eager For Something

Cambridge directly records eager to do and eager for something. The guide compares those supported structures rather than manufacturing a gerund alternative.

Quick answer

Use “eager to do something” before an action expressed by an infinitive, and “eager for something” before the object of eagerness. Both constructions are directly documented by Cambridge.

Key details

Confusion Familyverb-complement
Rule Familyverb-complementation
Termseager to do, eager for something

Choose the right form

Decision table for Be Eager To Do vs. Eager For Something
Meaning / situationConstructionDecision
readiness or strong desire to acteager to + verbuse the infinitive before the action
strong desire for an object, event, or outcomeeager for + noun phraseuse “for” before the object/outcome

Quick tests

Action-or-object test

Are you naming what someone wants to do, or what they want to receive/experience?

If yes: Use “eager to + verb” for the action.

If no: Use “eager for + noun phrase” for the object, event, or outcome.

Caveat: Both constructions are directly documented; do not manufacture a gerund rule by analogy.

Examples

Example

The team is eager to begin the review.

The infinitive names the action they want to perform.

Example

Applicants were eager for an update.

“For” introduces the thing desired.

Example

She was eager for the next stage to begin.

A noun phrase can name the anticipated event or outcome.

Further guidance

Core difference

Cambridge documents eager + to-infinitive and eager for + noun as standard constructions.

Style Boundary

Describe the attested complement choices without inventing an unsupported eager-for-doing versus eager-to-do rule.

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Eager (opens in a new tab)Cambridge University Press · Direct dictionary evidence for eager + to-infinitive and eager for + noun.

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