1 If we use clean energy, we will reduce pollution.
2 I always take a book if I go on the bus.
3 She always wears a hat if she goes hiking.
4 If we use less packaging, we will reduce rubbish.
5 If he works harder, he will get good marks.
6 If she gets home late, her mum will be angry.
7 If you don't come with me, I won't go.
8 They won't come if it rains.
