2. Regular Verbs-Indicative Tenses
3. Perfect Tenses of the Indicative
5. Tenses of the Subjunctive Mood
6. Uses of the Subjunctive
10. Radical-Changing Verbs
11. Orthographic-Changing Verbs
12. Commands (Imperatives)
16. Verbs Followed by a Preposition
Part 2. Essentials of Grammar
19. Adjectives and Adverbs
20. Demonstrative Adjectives and Pronouns
21. Possessive Adjectives and Pronouns
25. Interrogatives and Exclamations
26. Para and Por; Pero and Sino
