46. How is the subjunctive mood used?
47. How is the imperative mood used?
48. What is the potential mood?
49. What is the exact meaning of (a) may, (b) can, (c) must, (d) ought?
50. What is tense?
51. How are shall and will used in direct discourse (a) in simple statements, (b) in questions, (c) in other cases?
52. How are shall and will used in indirect discourse?
53. What are the exceptions in the use of shall and will?
54. What is the general use of should and would?
55. How are should and would used in subordinate clauses, in indirect discourse?