III) 1.buying ; 2.gaderning ; 3. to eat/eating; 4.hanging out; 5.geting up; 6.stop; 7.inviting; 8.picking up; 9 making /eating; 10 have
IV) 1 to go to->going to
2 turn->turned
3 to eat-> eating
4 drink-> drinking
5 to eat-> eating
V) 1 listening ; 2 hanging out ;3 interests ;4 a musical intrument ; 5 doing ;6 sports