It's probable that markets will be expanded in the future.

It's probable that markets will expand in the future.

Which sentence is correct, or I should use?

  • Either is correct and possible, they just mean slightly different things. "Will be expanded" is the passive voice, indicating that the markets will be expanded by someone else. "Will expand" is the active voice, and just indicates that the markets will grow. More than that we can't say without knowing more context.
    – stangdon
    Oct 7, 2016 at 17:05
  • Possible duplicate of 'Will transfer' or 'will be transferred'? Oct 7, 2016 at 17:55

1 Answer 1


The verb "to expand" has a transitive definition meaning "to make larger". "To expand" also has an intransitive definition meaning "to become larger".

Your examples are one of each. The first sentence is the transitive verb's passive form, which implies conscious action -- someone will make the markets grow. The second sentence is transitive and simply means the markets will grow, but does not imply this is a result of any conscious effort.

Other examples:

This constant noise must be stopped! (transitive passive)

The noise will stop (intransitive) after we are finished.

If you don't stop it (transitive active), I will!

Ok, since you want it to stop (intransitive) we will stop it (transitive).

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