QUESTION TAG I.- COMPLETE 1.- HE WAS AT THE PARK, 2.- THEY ARE BUSSY, 3.-SHE CAN'T RIDE A BIKE, 4.-YOU HAVE BEEN THERE, 5.-THEY WERE THERE, 6.-HE ISN'T SAD, 7.-YOU COULDN'T SLEEP, 8.-YOU AREN'T IN THE CLASS, 9.-SHE CAN SKATE, 10.-HE ISN'T AT THE UNIVERSITY, 11.-THEY WEREN'T AT THE BEACH, 12.-SHE HASN'T TAKEN THE MEDICINE, 13.-YOU COULD STAY AT HOME, 14.-SHE WASN'T IN THE MARKET, 15.-YOU CAN'T DRIVE A CAR, 16.-THEY WEREN'T AT HOME, 17. WE HAVE GONE TOGETHER, 18.- WE ARE IN THE FOURTH GRADE, 19.-HE ISN'T WORKING, 20.- SHE COULDN'T SELL THE CLOTHE, LIVEWORKSHEETS​