23/10/19 THANK YOU AND THANKS Thanks is more informal than thank you.
• Thank you. (NOT  Thanks you.)
• Thank you very much.
• Thanks very much.
• Many thanks.
• Thanks a lot. (BUT NOT  Thank you a lot.)
• Thank God it’s Friday. (NOT Thanks God . . .)
Indeed can be used to strengthen very much.
• Thank you very much indeed. (BUT NOT normally  Thank you indeed.)
Thank you for / Thanks for can be followed by an –ing form.
• Thank you for coming.
• Not at all. Thank you for having me.