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Contraposition Posted 13 years ago
Grammar

'on'


What is the use and meaning of 'on' here?
  

Top answer

A fixed expression: set out on a journey / drive / voyage

  • A fixed expression: set out on a journey / drive / voyage
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3 Answers
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A fixed expression: set out on a journey / drive / voyage
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Since "set out" is intranstive here, we need a preposition to connect it to the prepositional object (the last stage of their journey). We use "on" with "set out". Don't ask me why -- it's just the way it is.
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Actually you would say "They are on a journey", so probably that's why.

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