Answer:
adjacency pairs
Step-by-step explanation:
Examples of Pairs
Greeting-greeting
“Heya!"-"Oh, hi!"
Offer-acceptance/rejection
“Would you like to visit the museum with me
this evening?" – "I'd love to!"
Request-acceptance/rejection
"Is it OK if I borrow this book" – "I'd rather you
didn't, it's due back at the library tomorrow."
slidesharenetLanzManiporadjacencypair