9-john and max don't like maths,
10-peter played handball yesterday,
11-they are going home from school,
12-mary didn't do her homework last monday,
13-he could have bought a new car,
14-kevin will come tonight,
15-i'm clever,

Formas auxiliares 1)those girls dance well i.p: n.a: n.c: i.pass: 2)se watch television at night i.p: n.a: n.c: i.pass: 3) tou like fruir i.p: n.a: n.c: i.pass: 4)he love mary i.p: n.a: n.c: i.pass: 5)i study history and geography i.p: n.a: n.c: i.pass: (obs: significados: i.p: interrogativa presente. n.a: negativa abreviada. n.c: negativa comum. i.pass: interrogativa passado "did")