Exercice 1 :
a. Has Katy lost her watch?
b. Is she asked everybody ?
c. How many times your parents have tried windsurfing ?
d. What have they brought ?
Exercice 2 :
a. When did your parents meet Elton John ? They meet him in 1997.
b. Had Mary seen Greystoke ? Yes, she saw him last Saturday.
c. Why did your mother bring you at school yesterday ? Because I miss the bus yesterday.
d. Had your father ever drink an english beer ? Yes, she drunk one three days ago.