1. She has lived. 2. She lived. 3. The rain has stopped. 4. The rain stopped. 5, Mary has bought. 6. I bought. 7. The wind has blown. 8. The weather has changed. 9. The wind changed. 10. We travelled. 11. He has travelled. 12. I have seen. 13. She saw. 14. Alex met. 15. I have just met. 16. The children have already decided. 17. They decided. 18. I haven't seen, I saw, you didn't see, I was.