1. I have not decided yet whether to change my job or not. 2. It happened to me three years ago. 3. The teacher explained everything very clearly. 4. I followed your advice. 5. I know my parents will encourage me in everything. 6. His composition contained lots of grammar mistakes. 7. Our group consist of ten people. 8. Lots of customers complained about the service in this supermarket. 9. You can’t imagine what I’ve just experienced. 10. My brother has just failed his driving test.