Japanese phrase
お礼に___をします。 o rei ni ___ o shi ma su
Meaning
I'll do ___ as a thank-you.
When to use it
Offers to do something as thanks. The pattern sounds polite and is often used when returning a favor with a practical action.
Example dialogue
料理をしてくれてありがとう。 ryō ri o shi te ku re te a ri ga tō
Thank you for cooking.
お礼に掃除をします。 o rei ni sō ji o shi ma su
I'll clean as a way of thanking you.