Step-by-step explanation:
12.but
13.when
14.as long as
15.After
16.before
17.when
18.before
19.after
20.until before
21.as soon as
22.no sooner than
23.mustn't
24.might
25.should
26.was able to
27.could
28.mustn't have
29.might
30.should
Keep smiling and hope u are satisfied with my answer.Have a good day :)