ESERCIZIO 1 
A. IS SHE DRIVING A BUS?NO, SHE DOESN'T
B WHAT IS SHE DOING? SHE'S PLAYING THE PIANO
C. DOES SHE DRIVE A BUS? YES,SHE DOES
2
A. DOES HE CLEAN WINDOWS?YES, HE DOES
B. IS HE CLEANING WINDOWS?YES HE IS
C.WHAT IS HE DOING? HE'S CLEANING WINDOW
3
A. ARE THEY TEACHING?NO,THEY ARENT.
B. DO THEY TEACH?YES THEY DO
C. WHAT DO THEY DO? THEY ARE WATCHING TV
ESERCIZIO 2
1WHERE'S ANNA? I DON'T KNOW
2WHAT'S FUNNY?WHY ARE YOU LAUGHING 
3WHAT DOES YOUR SISTER DO? SHE'S A DENTIST
4 IT IS RAINING. I DON'T WANT TO GO OUT IN THE RAIN
5 WERE ARE YOU COME FROM? CANADA
6 HOW MUCH DOES IT COST TO PHONE CANADA?
7 GEORGE IS A GOOD TENNIS PLAYER BUT HE  DOESN'T  PLAY VERYOFTER
ESERCIZIO 3 
1 SOMEBODY IS SINGING 
2.SHE WANTS TO GO HOME NAW
3HAW OFTEN DO YOU READ A NEWSPAPER ?
4EXCUSE ME BUT YOU SIT IN MY PLACE
5 I'M SORRY I DON'T UNDERSTAND , CAN YOU REPEAT?
6IT'S LATE? I'M GOING HOME NOW.DO YOU COME WITH ME?
7  WHAT TIME DOES YOUR FATHER FINISH WORK IN THE EVENINGS?
8 I DON'T USTEN TO IT
9 MARTIN DOESN'T USUALLY DRIVE TO WORK HE USUALLY WALK.

(Giulia Obboloni)