I was thinking about this type of construction that is in blank:

Oh my! I am amazed ____ you did this!

There is only three options to my head:

  1. By how
  2. With how
  3. Through how

What is the difference between them? Furthermore, which one should I choose for that sentence?


1 Answer 1

  1. "I'm amazed by how you did this." - a good choice.
  2. not as good.
  3. not good.

Better yet: "I am amazed at how you did this."

The sequence "by how" isn't a construction. The "by" actually is attached to "amazed".
So, you can be "amazed by" many things, and one of them is "how you did this".

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