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BoSsSy Posted 9 years ago
Grammar

"didn't use to" or "used not to" ?

"I used not to smoke when I was a teenager" or "I didn't use to smoke when I was a teenager" ?

Which is correct and why ?

  

Top answer

[1] I used not to smoke when I was a teenager. [2] I didn't use to smoke when I was a teenager . Both are OK and have the same meaning, though [2] is much more common, especially with younger speakers I believe.

  • [1] I used not to smoke when I was a teenager.
  • [2] I didn't use to smoke when I was a teenager .
  • Both are OK and have the same meaning, though [2] is much more common, especially with younger speakers I believe.
  • Grammatically, the difference is that in [1] "used" is an auxiliary verb, while in [2] it's a lexical verb as can be seen from the fact that it has support do .
  • Incidentally, well done for getting the spelling correct – many people get it wrong, especially in [2] where the incorrect "used" is often found.
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1 Answers
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[1] I used not to smoke when I was a teenager.

[2] I didn't use to smoke when I was a teenager.

Both are OK and have the same meaning, though [2] is much more common, especially with younger speakers I believe.

Grammatically, the difference is that in [1] "used" is an auxiliary verb, while in [2] it's a lexical verb as can be seen from the fact that it has suppo

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