Exercise 1
1. Since
2. as
3. however
4. where
5. While
6. where
7. before
8. if
9. unless
10. until
11. until
12. before
13. before
14. however
15. when
16. While
17. when
18. until
19. Unless
20. whenever
21. While
22. before
23. since
24. until
25. that
26. for
27. whatever
28. unless
29. since
30. when
31. Unless
32. before
33. as
34. until
35. when
36. Once
37. when
38. Although
39. where
40. when
41. that
42. though
43. where
44. before
45. while
46. where
47. if
48. Although
49. unless
50. If
51. While
52. before
53. where
54. once
55. unless
56. before
57. until
58. although
59. so
60. unless
61. because
62. before
63. Although
64. while
65. However
66. unless
67. whether
68. However
69. when
70. where
71. unless
72. While
73. so
74. when
75. when
76. unless
77. when
78. before
79. where
80. when
81. unless
82. when
83. Where
84. though
85. While
86. until
87. whenever
88. when
89. when
90. although
91. since
92. than
93. Although
94. While
95. whoever
96. when
97. as
98. although
99. unless
100. where
Exercise 2
1. However
2. before
3. if
4. Although
5. when
6. when
7. if
8. Once
9. unless
10. While
11. when
12. Whether
13. Though
14. if
15. as
16. whatever
17. As
18. before
19. before
20. when
21. where
22. where
23. unless
24. where
25. where
26. since
27. if
28. Although
29. before
30. whether
31. Though
32. If
33. Although
34. when
35. when
36. that
37. before
38. While
39. when
40. Where
41. Once
42. where
43. before
44. because
45. before
46. before
47. before
48. where
49. While
50. as
51. whether
52. though
53. until
54. until
55. Though
56. before
57. Whenever
58. Although
59. though
60. unless
61. Unless
62. because
63. once
64. in case
65. before
66. unless
67. as
68. before
69. Whatever
70. since
71. where
72. Where
73. Although
74. Whether
75. If
76. before
77. so that
78. unless
79. While
80. However
81. where
82. before
83. when
84. until
85. as
86. although
87. While
88. before
89. where
90. until
91. since
92. though
93. if
94. if
95. unless
96. While
97. Whether
98. as
99. While
100. where