In which of the sentence pairs is there no change and a change in meaning. 1. a. i used to go back every two years. b. i’m used to going back every two years. 2. a. it started raining. b. it started to rain. 3. a. i remembered discussing it before the meeting. b. i remembered to discuss it before the meeting. 4. a. i didn’t like to ask him. b. i didn’t like asking him. 5. a. i love reading the sunday papers. b. i love to read the sunday papers. 6. a. he began to tell me about his childhood. b. he began telling me about his childhood. 7. a. i forgot seeing him about the flat. b. i forgot to see him about the flat. 8. a. he regretted saying that he thought you were stupid. b. he regretted to say that he thought you were stupid. 9. a. i tried to phone him. b. i tried phoning him. 10. a. sally went on to study at university. b. sally went on studying at university. 11. a. they need to cut their hedge. b. their hedge needs cutting.