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Sun May 18, 2008 16:53 pm I didn't know that/ I don't know that |
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In American slang it's sometimes common to use "don't" instead of "didn't" depending on the person and someone might say "I don't know that" as if to say "Of course I don't know that knowledge"
Another example is "It don't even matter." instead of "it doesn't even matter." from Rush Hour (Chris Tucker)
"I don't know that" can also be used if the person doesn't trust the first person completely. For example: A->"There's $1000 in your bank." ...B->"What? I don't know that (for certain)." |
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rajin New Member
Joined: 18 May 2008 Posts: 7
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Mon May 19, 2008 0:10 am I didn't know that/ I don't know that |
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In BrE, I would expect "I didn't know that".
If I were to say "X is the case", and someone were to reply "I don't know that", I would assume the speaker meant "I can't be sure you're right", as in Rajin's last example.
All the best,
MrP |
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MrPedantic I'm here quite often ;-)
Joined: 13 Oct 2006 Posts: 898 Location: Southern England
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Mon May 19, 2008 9:22 am "I didn't know that" vs "I don't know that" |
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| --- Edited. Wrong thread. |
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Molly I'm a Communicator ;-)
Joined: 12 Feb 2008 Posts: 2877
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Mon May 19, 2008 13:19 pm "I didn't know that" vs "I don't know that" |
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. Why just edit such a post, Molly? Didn't you know that it is possible to delete your own post when it is still the last one in the thread? . _________________ Amy
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ESL teacher, translator, and a native speaker of American English |
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Yankee I'm a Communicator ;-)

Joined: 16 Apr 2006 Posts: 7451 Location: Northeast US
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lost_soul I'm a Communicator ;-)

Joined: 15 Sep 2006 Posts: 1736 Location: South Park, Colorado, USA
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Mon May 19, 2008 13:52 pm "I didn't know that" vs "I don't know that" |
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| Alex wrote: | | Well, now it's too late ! |
I know, Alex.  I couldn't resist the opportunity to give Nessie an example of "Didn't you know". The example also provided "Molly" with a useful tip. . _________________ Amy
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ESL teacher, translator, and a native speaker of American English |
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Yankee I'm a Communicator ;-)

Joined: 16 Apr 2006 Posts: 7451 Location: Northeast US
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Mon May 19, 2008 17:03 pm "I didn't know that" vs "I don't know that" |
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Hi,
I really can't see the variations of or differences between 'I don't know' and 'I didn't know' having all these subtle meanings. Don't they simply mean what they say? The tone of voice with which they are spoken says it all, doesnt it? But ultimately that applies to everything!
Alan _________________ English as a Second Language You can read my ESL story A Rhapsody of Words |
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Alan Co-founder

Joined: 27 Sep 2003 Posts: 7274 Location: UK
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Mon May 19, 2008 17:24 pm "I didn't know that" vs "I don't know that" |
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Hi Alan
I assume you'd agree that the following two sentences would mean different things (as a response to you last post):
- I don't know that I'd agree with you, Alan. - I didn't know that I'd agree with you, Alan. . _________________ Amy
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ESL teacher, translator, and a native speaker of American English |
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Yankee I'm a Communicator ;-)

Joined: 16 Apr 2006 Posts: 7451 Location: Northeast US
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Mon May 19, 2008 17:48 pm "I didn't know that" vs "I don't know that" |
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| Quote: | Why just edit such a post, Molly? Didn't you know that it is possible to delete your own post when it is still the last one in the thread? |
Thanks, Amy. Nice to know there's a helping hand when you need it, right?
Returning the favour:
| Quote: | | I assume you'd agree that the following two sentences would mean different things (as a response to you last post): |
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Molly I'm a Communicator ;-)
Joined: 12 Feb 2008 Posts: 2877
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Mon May 19, 2008 17:52 pm "I didn't know that" vs "I don't know that" |
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. Thanks for pointing out the typo, "Molly". Do you suppose Alan will want me to correct it? . _________________ Amy
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ESL teacher, translator, and a native speaker of American English |
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Yankee I'm a Communicator ;-)

Joined: 16 Apr 2006 Posts: 7451 Location: Northeast US
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Mon May 19, 2008 18:09 pm "I didn't know that" vs "I don't know that" |
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Hi,
I actually said:
| Quote: | | I really can't see the variations of or differences between 'I don't know' and 'I didn't know' having all these subtle meanings. Don't they simply mean what they say? |
And I actually meant what I said.
Alan _________________ English as a Foreign Language You can read my EFL story Communicating with you? |
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Alan Co-founder

Joined: 27 Sep 2003 Posts: 7274 Location: UK
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Mon May 19, 2008 19:12 pm "I didn't know that" vs "I don't know that" |
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| Alan wrote: | | And I actually meant what I said. | I wasn't quite sure which of "all these subtle meanings" you were referring to. . _________________ Amy
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ESL teacher, translator, and a native speaker of American English |
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Yankee I'm a Communicator ;-)

Joined: 16 Apr 2006 Posts: 7451 Location: Northeast US
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Mon May 19, 2008 19:15 pm "I didn't know that" vs "I don't know that" |
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| Quote: | | I really can't see the variations of or differences between 'I don't know' and 'I didn't know' having all these subtle meanings. Don't they simply mean what they say? The tone of voice with which they are spoken says it all, doesnt it? But ultimately that applies to everything! |
=> Yes, Alan I also think the tone of voice with which they are spoken says it all, but I just want to know in such a case, which will be the immediate response of a British person and which will be of the American one.
| Quote: | | I couldn't resist the opportunity to give Nessie an example of "Didn't you know". The example also provided "Molly" with a useful tip. |
=> Hi Amy, Giving me that example, do you mean to agree with my explaination about my choice of "I didn't know that" above? You used "didn't" because before you posted it, Molly may not have known the fact, but by the time molly read your post she must have already known it? _________________
... something we never have again, I know... I guess I really really know.. 
Sorry seems to be the hardest word... |
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nessie I'm here quite often ;-)
Joined: 16 Feb 2008 Posts: 958
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Mon May 19, 2008 20:02 pm "I didn't know that" vs "I don't know that" |
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Hi,
I honestly believe that quibbling about the way someone says it or doesn't say it with regard to whether it's 'I don't know' or 'I didn't know' is a complete waste of time. As I have already said and I promise I'll not say it again - Both phrases mean exactly what they say.
Alan _________________ English as a Second Language You can read my ESL story Start or begin? |
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Alan Co-founder

Joined: 27 Sep 2003 Posts: 7274 Location: UK
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| The use of who | What is this adjective in English? |