ASKING IF SOMEONE REMEMBER OR NOT

Sometimes if we forgotten something and we reminded by someone, they are mentions a sentence form like these :

• I wonder if you remember..... 
• You remember...., don’t you? 
• You haven’t forgotten...., have you? 
• Don’t you remember.....? 
• Do you happen to remember it now? 
• Remember that?

The sentences above called asking if someone remember or not. How about the way to response it ?

The ways to respond if you remember :

• Let me think. Yes, I remember.
• I remember especially the scenery.
• I’ll never forget that
• I’ll always remember.
• Hold on. Yes, got it! 
• I know.....
• It’s coming back to me now.

The ways to respond if you forget :

• I can remember it clearly.
• Sorry, I’ve completely forgotten.
• I’m afraid I forget.
• I really can’t remember.
• I’m afraid I have no memory of....
• Errr, let me think. No, it’s gone. 
• Sorry, it slipped off my mind.