Công thức thì hiên tại hoàn thành dạng nghi vấn:
(WH)+have/has+S+P2+O?
3 Have you saved enough money to buy a laptop?
4 What have you done lately?
5 Where have the boys been?
6 How many times have you been abroad?
7 Have you ever eaten Japanese food?
8 How many books has Jessica read this month?
9 Has Bill left school yet?
10 Have you ever used this credit card before?
