Work & careers

change something on the fly

change something during an event

To change something on the fly means to change it while it is happening, without having planned the change in advance.

B2 common mostly spoken

expression

Hear it in real life

Did you plan that new seating arrangement?

No, we changed it on the fly.

Play the conversation

The speaker changed the order of the slides on the fly when the audience asked a question.

The mistake everyone makes

Not: We changed the plan on ‸ fly.

Say: We changed the plan on the fly.

Keep the article in the fixed expression "on the fly."

Build it

How it fits in a sentence.

change something on the fly; changed something on the fly

Your turn: say it out loud

The speaker changed the order of the slides on the fly when the audience asked a question.

Say it out loud two or three times, until it feels like yours.

change something on the fly

change something during an event

“The speaker changed the order of the slides on the fly when the audience asked a question.”

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