Read the situations and write sentences with i think i'll or i don't think i'll 1. it's a bit cold. you decide to close the window. you say: i think i'll close the window. 2. you are feeling tired and it's quite late. you decide to go to bed. you say: i think 3. a friend of yours offers you a lift in his car but you decide to walk. you say: thank you but 4. you arranged to play tennis today. now you decide that you don't want to play. you say: i don't think 5. you were going to go swimming. now you decide that you don't want to go.