26. Why are some adjectives never compared?
27. What is an article?
28. How many articles are there?
29. What kinds of articles are there?
30. When should you use a?
31. When should you use an?
32. What is a verb?
33. Of what three parts does a simple sentence consist?
34. Name them and describe each.
35. What is the relation of the verb to the subject with regard to person and number?