In the event of means if something happens: what to do in a particular situation. In the event of heavy rain, the workshop will move indoors. It's the language of instructions, rules and signs: in the event of fire. Event here isn't a concert or a party but an incident.
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in the event of + noun / in the event that + subject + verb
- In the event of heavy rain, the workshop will move indoors.
- Keep the printed schedule in the event that the app is unavailable.
- In the event of a cancellation, we will contact everyone by email.
What changed
First versionIn the event of the workshop is cancelled, we will contact you.
RevisionIn the event that the workshop is cancelled, we will contact you.
Of can look like a formal way of saying if, so a full clause follows it: the workshop is cancelled. But of needs a noun: in the event of a cancellation. For a clause with a subject and a verb, use in the event that.
If is simpler and more conversational: If it rains, we'll stay in. In case is about preparing in advance: Take a copy in case the app crashes. In the event of is the official 'if': the action happens if the event does. In any event means 'whatever happens'.
Your turn
Choose the phrase before a complete clause: ___ the lift stops, use the help button.
Show the answer
In the event that — A full clause follows the gap, the lift stops, so you need In the event that. Of would need a noun, such as a lift failure.
Write a rule for a notice in your building or office: what to do if the power or water goes off. Use in the event of.
In the event of a power cut, please use the stairs, not the lift.
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