1 Complete the sentences with the correct form of the verbs.
0 If I find (find) your keys, I will tell you immediately.
1 If you turn off your computer every night, you
(save) energy.
2 If she
(not know) the answers, she will ask the teacher.
3 If he does all his chores, his parents
(be) pleased.
4 If we
(not look after) the planet, many animals will die.
5 If you don't hurry, you
(miss) the forest clean-up.
6 If an animal
(eat) plastic, it will get ill.
7 If they have a lot of work, they
(not have) a break.
8 If they
(cut down) trees, the birds will lose their homes.