"I would be most grateful if you could explain the process to me."
"I would be most grateful for the opportunity to view them."
Your father was most grateful to hear that you were all right.
If therefore you could do something to help our project go ahead, we would be most grateful.
If you could check it out and let me know I'd be most grateful.
I would be most grateful if we do that right now.
If you could answer me that, I would be most grateful.
I am most grateful for the attention of the House at this late hour.
I am most grateful to you for doing so, and feel that some good has come from it.
I am most grateful for the information you have given me.