Grammar – Prepositions ‘By’ or ‘From’ in Context

grammarprepositions

Can you tell me how to say the following correctly?

  • I am studying from book

or

  • I am studying by book.

I want to say that I get information from book to study. I read that "by" is used for describing method which is used, while "from" describes what is origin of something or somebody.

Best Answer

First, you need an article: normally a book, unless the book has already been mentioned or you expect the hearer to know which book, in which case the book.

As for your question: a book is not a method, so you can't use by.

You could say

I'm studying by reading a book

but not by a book.

The most common choice would be

I'm studying from a book.

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