Lead-in Ask and answer
1.How long has Mr. Chen lived in Sunshine Town?
He has lived here since he was born.

2.Can Mr. Chen see his old friends as often as before?
No. Because most of his old friendshave moved away.

Pre-task: More examplesTry to find more sentences with "have/ has+done" in the book.
I've just eaten it.You've changed.
We have lived here since then.Have you seen my food?
Have you ever moved house?Has the town changed a lot over the years?