I'm deeply indebted to you.
C1I owe you a great deal of gratitude.
My apologies; I acted rashly.
C1Apologizing for impulsive behavior.
I'm brimming with confidence.
B2I'm feeling very confident.
I owe you one.
C1I am grateful for your help and will return the favor in the future.
Please feel free to...
C1Giving permission or an invitation.
That's a perceptive observation.
C1That's a insightful and intelligent comment.
I understand your frustration.
C1Acknowledging someone's negative feelings.
What are your thoughts on this?
C1Asking for someone's opinion or perspective.
I'm utterly speechless.
B2I'm so surprised or shocked that I cannot speak.
Your kindness is much appreciated.
C1Expressing sincere gratitude for someone's generosity.
I would appreciate it if...
C1A formal and polite way to make a request.
You've really hit the nail on the head.
C1You've identified the central issue perfectly.
I am truly sorry for the inconvenience.
C1Expressing regret for causing trouble.
I'd be interested to hear your perspective.
C1Politely requesting an opinion.
I'm truly grateful for your support.
C1Expressing genuine gratitude for assistance or backing.
Let me know if you need anything.
C1Offering assistance or support.
You've articulated that beautifully.
C1You've expressed your thoughts elegantly and clearly.
I offer my sincerest apologies.
C1A formal and heartfelt apology.
Where do you stand on this issue?
C1Directly asking for someone's position on a matter.
Words cannot express my gratitude.
C1Expressing overwhelming thankfulness.
Don't hesitate to...
C1Encouraging someone to take action.
That's a novel approach.
C1That's an original and innovative method.
Forgive my transgression.
C1Asking for forgiveness for a wrongdoing.
Could you elaborate on your viewpoint?
C1Requesting more detail on someone's opinion.