1. Walking in the rain is her enjoyment 
--> She enjoy
2. After he had bought the ticket he went to the cinema
--> Before he
3. They want to go shopping on Sunday morning 
--> They enjoy
4. To read his books is very exciting 
--> It is very
5. Before she went to work she had earen breakfast 
--> After she
6. He remembers to turn the light off before going out 
--> He doesn't 
7. Jack had left the office before I arrived 
--> When
8. During lunch, someone rang the bell
--> While I
9. I haven't been to the dentist for six months 
--> The last time 
10. She has studied Japanese for 5 years 
--> She began
11. He did all his work and then he went hone
--> After
12. Steven bought a new motorbike, anh he saved enough money 
--> Before 
13. The guests left anh then we tidied the house 
--> When
14. The boy ran away from the house 
--> She noticed
15. The policeman told the thief to empty his pockets 
--> The policeman made
16. He left the house early this morning 
--> I heard 
17. He drove away 
--> She stood there anh watched
18. The robber came from the back door 
--> I could feel
19. Because I had already read the book several times, I didn't borrow it
--> Having
20. She went to bed early. She left very tired 
--> Feeling