English UsageComparison guide

Preclude Someone From Doing vs. Preclude Someone To Do

Cambridge directly documents preclude + person + from + -ing as the action-prevention construction. Preclude also occurs with noun phrases and possibility expressions, but the cited evidence does not support person + to-infinitive as an equivalent.

Quick answer

Use “preclude someone from doing something” for the documented prevention construction; do not use “preclude someone to do” as its equivalent.

Key details

Confusion Familygrammar-and-usage distinction
Rule Familypreposition and verb-complement pattern
TermsPreclude Someone From Doing, Preclude Someone To Do

Choose the right form

Decision table for Preclude Someone From Doing vs. Preclude Someone To Do
Meaning / situationForm / constructionDecision
prevent a person from an actionpreclude + person + from + -ingUse the documented prevention construction.
exclude a possibility or outcomepreclude + noun phraseA noun phrase is also possible in a different complement pattern.
person + to-infinitive as the prevention complementnot the supported equivalentDo not substitute “preclude someone to do.”

Quick tests

Meaning / construction test

Are you saying that something prevents a person from performing an action?

If yes: Use “preclude someone from doing something.”

If no: Use another documented “preclude” construction if you are naming a possibility or noun phrase rather than a person’s action.

Examples

Example

The restriction precluded us from entering early.

“From” plus -ing expresses the prevented action.

Example

The evidence does not preclude another explanation.

A noun phrase can follow “preclude” in a different construction.

Example

The delay precluded the team from finishing on time.

The person/group plus “from” + -ing pattern expresses prevention.

Further guidance

Boundary

Preclude can also take a noun phrase or expressions such as “preclude the possibility”; those patterns do not create a person + to-infinitive complement.

Construction

Cambridge directly records “preclude someone from doing something” for preventing a person from an action.

Decision

Use “preclude someone from doing something” for the documented prevention construction; do not use “preclude someone to do” as its equivalent.

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. preclude someone from doing something — Cambridge Dictionary (opens in a new tab)Cambridge University Press & Assessment · Cambridge construction evidence for preclude someone from doing something

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