Help me,please.Write what the children will do:1)When winter(spring,summer,autumn)

1. When the winter will come the children will play with the snow.
When the spring will come the children will play more outside.
When the summer will come the children will have summer holydays.
When the autumn will come the children will earn colourful leaves.
2. When the weather will change the children will change their clouthes.
3. When John's friends will win the football match children will be very happy.
4. When the temperature will be 10 below zero children will put on warm clouthes.
5. If it will rain children will take umbrellas.
6. If it won't rain children will go walking.
7. If it will snow children will make a snowman.
8. If it won't snow children will go on the seaside.