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Ashton goh Posted 14 years ago
Grammar

How do we use these prepositions: at and in?

I am good at Math
I am bad in English

Are they grammatically correct?

How does : differ from - ?
I know they can both can be used to list items, right?

Thanks a lot Emotion: smile
  

Top answer

good at Math, good at boxing, poor at abseiling. Here, we are referring to a specific skill. " My advice is to use 'at' when referring to whether you are good, bad, poor, mediocre, or excel at (something).

— Terryxpress

  • good at Math, good at boxing, poor at abseiling.
  • Here, we are referring to a specific skill.
  • " My advice is to use 'at' when referring to whether you are good, bad, poor, mediocre, or excel at (something).
  • And note when we actually do use 'in'.
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2 Answers
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good at Math, good at boxing, poor at abseiling.
Here, we are referring to a specific skill.

The confusion arises because, with languages, we say, "Say it in German/Polish/English"; and with languages, fields of study, sports etc, we say,
"
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Hi.
You can use both "at" and "in" after "good".
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