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I didn't know that vs I didn't knew that

The correct phrase is 'I didn't know that.' 'Knew' is the past tense form of 'know.' However, in this case, 'didn't' already indicates the past tense, so 'know' should be used in its base form.
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Explained by Jennifer
Editor at TextRanch

Last updated: November 05, 2024 • 12749 views

This phrase is correct and commonly used in English.

"I didn't know that"

This phrase is used to express that the speaker was unaware of something in the past.
  • Mar 17, 2024 ... I didn't know that. Yes, I did wash the dishes. Yeah, I did cry during the movie. Those 3 sentences are ...
  • Jan 17, 2023 ... I Didn't Know That! Leave No Trace Principle #5 - Minimize Campfire Impacts · I Didn. Having a campfire can be a fun part of an outdoor trips ...
  • 16 hours ago ... Oh, I didn't know that Ortho was from the cine club! Discussion (NA). Maybe this was shown in some vignette, but it isn't an info that ...
  • Feb 29, 2016 ... I Wish I Didn't Know That. Real-life tales of close calls, screw ups, and nuclear near misses. Spin Wheel
  • Oct 1, 2024 ... I didn't know that I would instantly be part of a fierce and brave community of breast cancer survivors who would welcome me with kindness and ...
  • I Didn't Know That! is a lighthearted revue of first facts, selected oddities and world records. The Guinness Book of World Records is incorporated in this ...
  • I well knew that one could break one's arms and legs before, and that then afterwards that could get better but I didn't know that one could break one's ...
  • I didn't know that morning the pain that day would bring When a golden heart stopped beating and I couldn't do a thing No words can heal the heartache or...
  • May 1, 2015 ... 'I didn't know that until now' is commonly used. You have just learned something for the first time. 'I haven't known that until now' doesn't sound natural to ...
  • Sep 6, 2018 ... 'I didn't know that women were allowed to be writers': Jill Murphy on the magic of making your own worlds and why Mildred Hubble is just like ...

This phrase is incorrect in English.

"I didn't knew that"

The correct form is 'I didn't know that.'
  • Mar 17, 2024 ... My whole life i've been saying things like “I didn't knew that” “Did you told her” But yesterday I saw a video stating that the correct way ...
  • Sep 11, 2024 ... 1991 likes, 96 comments - mijo_chacko_kurian on September 11, 2024: "When I joined airforce I didn't knew that I could become junior warrant ...
  • Mar 3, 2024 ... I can't believe I didn't knew that before... · Comments Section · Community Info Section · More posts you may like.
  • Feb 7, 2021 ... I didn't knew that such an important command was “hidden” all the time as an option. Maybe because it is visible only upon running a command ...
  • Sep 23, 2024 ... I didn't knew that 2.30-1.68 is 0.619999. · Comments Section · Community Info Section · More posts you may like.
  • Dec 9, 2017 ... ... I didn't knew that" is INCORRECT. If you are using past tense you say the following: I knew that. I didn't know that. If you are referring ...
  • Jun 20, 2024 ... I didn't knew that mythic armor had advantages over monster types. Are these advantages okay or should I change them? · Best · Top · New.
  • Jun 5, 2024 ... I didn't knew that virtually the same circles will behave in such a different way depending on the way they were built. :slight_smile: This ...
  • Feb 24, 2023 ... I didn't knew that until I upgrade this. Discussion. r/ClashOfClans ...

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