How to use "to a large extent" in a sentence?

sentence-patterns

I formed below statements with "to a large extent". Which one is correct? and What is the most common and formal way of agreeing with something?

  1. I to a large extent agree with the given statement.

  2. I agree with the given statement to a large extent.


Solution 1:

The sentence: I to a large extent agree with the given statement.

should include commas as:
I, to a large extent, agree with the given statement.

The second sentence is ok : I agree with the given statement to a large extent.

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