1. nightingale/ decide/ become/ a nurse/ when/ seventeen
2. he/ move/ barcelona/ when/ thirteen/ 2000
3. i/ stay/ home/ yesterday/ because/ it/ very hot
4. caroline/ leave/ england/ return/ germany/ 1822
5. cathy/ tired/ so/ decided/ go to bed/ early
6. my parents/ worried/ because/ i/ stay out/ late last saturday
7. i/ surprised/ when/ get/ letter/ my boyfriend/ this morning
8. charles darwin/ begin/ write/ on the origin of species/ 1895
9. issac newton/ discover/ gravity/ when/ apple/ fall/ from a tree/ his head
10. she/ go out/ a meal/ her family/ last weekend