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at once vs in once

The correct phrase is 'at once.' 'In once' is not a standard English expression. 'At once' is commonly used to mean immediately or simultaneously.

Last updated: March 30, 2024 • 1875 views

at once

This phrase is correct and commonly used in English.

The phrase 'at once' is used to indicate doing something immediately or simultaneously.

Examples:

  • Please come to my office at once.
  • He answered the phone at once.
  • The decision was made at once.
  • She resolved the issue at once.
  • The team worked together at once to solve the problem.
  • We struck ironstone almost at once.
  • A breakdown on the second program, fix it at once.
  • Stir vigorously and drink at once.
  • These trees all appeared at once.
  • But nature itself combines all the relations at once.
  • The dimensions it occupies allow them to be... in several places at once.
  • Yes, we're leaving at once.
  • When I shave it grows at once.
  • You are commanded to return at once to your estates in east anglia.
  • Mustn't have too many treats at once.
  • Scatter the mob, but don't leave at once.
  • I'll go ahead and we can fix things up at once.
  • Principal, please come at once.
  • Bring him to me at once.
  • Very well, Excellency, we will take off at once.
  • You're to ring the Adviser at once.
  • Gather your things together, and leave at once.
  • The Empress requests your presence in Jingren Palace at once.
  • It's a monster that withstood an attack of 150 nuclear warheads at once.
  • Every synapse in his brain lit up at once.

in once

This phrase is not a standard English expression.

  • But we can move back in once he leaves.
  • It didn't take Nikita long to send him in once she discovered you'd been compromised.
  • They come in once a week... but they never find anything.
  • The guys would even let me sit in once in a while on a hand.
  • Check back in once you've covered the block.
  • I'll check back in once I check him out.
  • We have someone - an educational psychologist, who pops in once every three weeks, and I'd like to ask her to spend some time with Ryan.
  • If she would talk to someone, let someone in once in a while, maybe she wouldn't wear out so many pairs of expensive shoes.
  • Your theory is that Yin broke into the house, stole all the furniture, abducted the girl, then moved it all back in once she escaped?
  • If you filled me in once in a while...
  • Join in once in a while.
  • And radio in once you've completed.
  • He let me in once when I locked myself out.
  • Each of our returnees will check in once a week.
  • Shipments from Quetzal will be coming in once a month.
  • Check back in once you've landed.
  • We'll move in once you're there.
  • It shouldn't be too hard to sneak in once he's gone.
  • I check in once a year.
  • The whole point in having an answering service is to call in once in a while to check for messages.

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