Hello all!

Please tell me what is the correct usage?

I appreciate that you try.
I appreciate it that you try.

I love that you try.
I love it that you try.

Thank you a lot in advance! Emotion: smile
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Comments  (Page 2) 
I add to what my friends said that it is not proper to use (it )because (it)is a pronoun and (that )is also a pronoun so you can't use two pronouns to point to one thing