Resposta :
• Zero
a) If it rains , the grass gets wet ( to rain) ( to get)
b) If she cooks , she doesn't burn the meal ( to cook) ( not to burn)
• First
a) If you trust yourself, any choice you make will be right ( to trust) ( to be)
b) You won't pass of the course, if you study( not to pass) ( to study)
• Second
c) If we lived in Rome, he would visit us ( live) ( to visit)
d) If he didn't work , he wouldn't have Money ( not to work) ( not have)
e) If Tim and Tom were older, They would play with us ( to be) ( to play)
• Third
f) If I had have chance, I would have done something diferente in my life ( to have ) ( to do)
g) She wouldn't be so exhausted, if she had gone to bed so later ( not to be) ( to go)
h) if we had seen mary at the party, we would have talked to her ( to see) (to talk)