How do we say correctly? I would like to tell you what you will learn about ON/IN THIS LESSON. (IN THIS CLASS?) Please help me! Thank you.
I would like to tell you what you will learn about in this lesson/class.
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I would like to tell you what you will learn about in this lesson/class.
How do we say this correctly?
I would like to tell you what you will learn about IN THIS LESSON. (or IN THIS CLASS.)
You don't need to say 'about'.