1. are /reach
2. comes
3. came /had left
4. has never flown
5. have just decided /would undertake
6. would take
7. was
8. am attending /was attending
9. arrive /will be waiting
10. had lived
11. got/had already arrived
12. will see / see / will have graduated
13. visited /was
14. has been /haven’t you read
15. is washing / has just repaired
16. Have you been /spent
17. have never met /looks
18. will have been/comes
19. found / had just left
20. arrive /will probably be raining
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