First conditional:
1) If the weather is good, we will go for a walk.
2) If you cook the supper, i will wash the dishes
3) If you finish on time, we will go to the cinema
4) If i know her telephone number, i will call her
5) If he studies hard, he will pass an exam
Zero Conditional:
1) If the snow melts, it becomes water
2) If it rains, the grass gets wet
3) If you are not sure what to do, ask Dan
4) If i miss the bus, i am late for work
5) If i get bad marks, my parents are angry