Verified answer

114

1. may

2. might

3. May

4. may

5. may/might, may

6. may

115

1 has to

2 has to

3 must

4 had to

5 must

6 will have to

116

1 had to

2 must

3 have to

4 had to

5 must

6 must

117

1 needn't

2 mustn't

3 needn't

4 mustn't

5 needn't

6 mustn't