basic statements to be turned into - & ?

WRITE THE FOLLOWING SENTENCES IN THEIR NEGATIVE AND INTERROGATIVE FORMS:

1)      JOHN HAS STARTED WORKING PART-TIME.

2)      SOME FAMOUS PEOPLE WEAR DISGUISES.

3)      MODERN RACING BICYCLES HAVE COMPUTERS ON THE FRONT

4)      WALKING REDUCES TRAFFIC POLLUTION.

5)      WE HAD FUN AT THE CARNIVAL.

6)      THERE WAS A LOVELY VIEW FROM OUR HOTEL WINDOW.

7)      A NEW AIRPORT WOULD BE VERY NOISY.

8)      PEOPLE SHOULD BE ALLOWED TO SMOKE IN THE STREETS

9)      WE SAW SOME WHALES ON THE BOAT TRIP

10)   PETER USED TO BE QUITE SHY.

11)   THERE SHOULD BE MORE POLICE CONTROLS

12)   THE CLAY WALL TILES MUST CARRY THE FINGERPRINTS

13)   MANY OF THE ENVIRONMENTS WE PRESERVE ARE MAN-MADE

14)   WE STOCK PRODUCTS IN THE SHOP

15)   A GARDEN HALF THIS SIZE WILL PROVIDE AN AVERAGE FAMILY WITH FRESH VEGETABLES.

16)   THIS EXPERIENCE PROVIDES PHYSICAL  AND MENTAL EXERCISE

17)   THE MACHINES WERE INSTALLED BY 2O PROFESSIONAL WORKMEN

18)   IT RAINED NONSTOP EVERYDAY

19)   THE GOOD NEWS WAS THAT WE BECAME CLOSER FRIENDS

20)   MANY OF THE RIDES ARE FREE.