Offering things and service

It is common that English speakers make offers in conversations in order to be polite and helpful. When they do so they use these expressions:

Offering

• Shall I (verb1)……….?
• Would you like me to (Verb1)………..?
• Would you like ………?

Accepting an Offer

• Oh yes, I’d love to.
• That sounds nice.
• That’s very kind of you.
• Oh, thank you. Yes, please

Refusing an Offer

• I’m sorry I can’t. I have to …
• Oh, I’d love to, but I don’t think I can’t. 
• It’s all right. I can.......