Rewrite the sentences using the infinitive of purpose

My name is Sergey. I’m twelve years old. I’m in the sixth grade. I have a lot of friends but I want to tell about my best friend. His name is Alexander. He’s my school-mate. Sasha is cheerful, inquisitive and kind. He is very responsive. He will help me in hour of need. I always can rely on him. Sasha goes to sports school. He is very tall that’s why he goes in for basketball. On weekends we play football or cycle. Sometimes we go fishing and fish crucians. Also he is fond of playing computer games and watching horror films. His favourite films are “Saw” and “Scream”. We often go to the cinema. Sasha is true friend. My father says that I’m lucky because I have so reliable and true friend. I value our friendship.

Last Sunday Frank and I went on a bike tour. The weather was clear but not very warm. First we had lovely tour round the lake. We couldn't go swimming because the water was too cold. Then we had a picnic in the woods. After that we went on. Suddenly Frank stopped. "I've lost my camera", he said. "Let's go back and look for it". When we got back to the lake, we saw a man with camera. "I've found a camera. Is it yours?", he asked. Frank was glad to get it back. It was a Christmas present from his parents. Then we got on our bikes again and went up the hill. Finally we got to ...