Motivate Someone To Do vs. Motivate Doing
Cambridge documents motivate + person + to-infinitive for making someone eager to act; it also documents other transitive and passive motivation patterns rather than a parallel bare -ing complement. A gerund phrase can behave as a noun in broader syntax, but that does not create the same participant structure as motivate + person + to-infinitive.
Use “motivate someone to do something” when a person is encouraged toward an action; do not treat “motivate doing” as the interchangeable object-complement pattern.
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| encourage a person toward a particular action | motivate + person + to-infinitive | Use the documented participant-plus-action pattern. |
| describe what provides motivation without naming the same object-complement pattern | other transitive/passive structures | Keep those structures separate from the person + to-infinitive construction. |
| treat bare “motivate doing” as an interchangeable object-complement pattern | not established here | Do not present it as equivalent to “motivate someone to do.” |
Quick tests
Meaning / construction test
Are you naming the person who is encouraged and the action they are encouraged to take?
If yes: Use “motivate + person + to-infinitive.”
If no: If no person is being introduced as the motivated participant, analyze the sentence as a different construction rather than replacing the infinitive with a bare -ing complement.
Caveat: A gerund phrase can occur elsewhere in a sentence as a noun phrase, but that does not make bare “motivate doing” interchangeable with the documented person + to-infinitive complement.
Examples
The bonus motivated the team to finish early.
The person/group being motivated is followed by the to-infinitive action.
Good feedback can motivate employees to improve.
The documented construction links the motivated participant to the action.
She felt motivated to apply after the workshop.
The passive/adjectival pattern still uses a to-infinitive for the action.
Further guidance
Boundary
A gerund phrase can behave as a noun in broader syntax, but that does not create the same participant structure as motivate + person + to-infinitive.
Construction
Cambridge documents motivate + person + to-infinitive for making someone eager to act; it also documents other transitive and passive motivation patterns rather than a parallel bare -ing complement.
Decision
Use “motivate someone to do something” when a person is encouraged toward an action; do not treat “motivate doing” as the interchangeable object-complement pattern.
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.
- motivate — Cambridge English Dictionary (opens in a new tab)Cambridge Dictionary · Motivate + person + to-infinitive and motivation-by constructions