Grammar fix

an ulterior motive

hidden motive

a secret reason for doing something, especially one that is different from the obvious or stated reason, often involving personal gain or advantage.

collocationC1occasional

Hear it in context

Notice where the phrase sounds natural.

He offered to help, but I couldn't shake the feeling that he had an ulterior motive.

In some workplaces, people may volunteer for extra tasks with an ulterior motive, such as seeking a promotion or special recognition.

Fix the pattern

One small grammar move makes it sound right.

Not: She has an ulterior motive of helping us.

Say: She has an ulterior motive for helping us.

'An ulterior motive FOR (doing) something', not 'of'.

  • Pattern
  • have/with an ulterior motive; suspect/detect an ulterior motive

Which sounds natural?

Tap the one a native speaker would say.

Build natural chunks

Words that usually travel with it.

have an ulterior motive

  • have
  • for
  • suspect
  • no

Don't confuse it

Try it in Daily Speak