Let's eat grandma. Let's eat, grandma.

Over millions of grandmas die each day because of our ignorance in using commas. Commas save lives! Use commas now!

Should that in actually be on? How do I find out which preposition to use here?

  • This would be a question for Ell (English Language Learners). – rogermue Feb 19 '16 at 16:06

"ignorance of" is most common, but other prepositions are acceptable, giving slightly different meanings. Some meanings are:

  • "Ignorance of using commas". We are unaware of the existence of the subject 'using commas'
  • "Ignorance about using commas". We are ignorant of the way in which commas should be used.
  • "Ignorance in using commas". We display ignorance when we use commas.

The distinctions are pretty subtle, but all are acceptable.

"Ignorance on" is incorrect.

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  • I find it hard to criticise answers which I fully agree with for lack of supporting evidence. But since I criticise those I think are wrong or unbalanced for that reason, I have to be consistent. – Edwin Ashworth Feb 19 '16 at 16:11

The normal preposition after ignorance is "of". "about" is also possible.


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  • @EdwinAshworth - A typo, I meant Ell. Going to correct it. – rogermue Feb 19 '16 at 16:04
  • No, I was referring to giving a LMGTFY 'answer' here at all, when OP has shown no signs of research. Though DJClayworth has given a response which would be very good (though answering the final, broader question) if supported. – Edwin Ashworth Feb 19 '16 at 16:06
  • Thanks for adding a source. This(sentence.yourdictionary.com/ignorance) is where I ended up at(Correct me if I'm wrong with this one, too. lol) and didn't bother with the examples given since I initially overlooked the use for "of" with only "in" and "on"(which I now know is incorrect) in mind. – aiz16 Feb 19 '16 at 16:37

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