From the Book - Premium fourth edition.
The present tense of regular verbs, irregular verbs. and verbs with spelling changes
the present tense of verbs with stem changes
more about the preterit and the imperfect
the future and the conditional
reflexive verbs and refelxive constructions
compound tenses: the present perfect and the past perfect
compound tenses: the future perfect and the conditional perfect
the passive voice and passive constructions
the subjunctive mood: the present and the present perfect subjunctive tenses in noun clauses
more uses of the subjunctive: adverb and relative clauses
the subjunctive mood past tenses: the imperfect and the pluperfect subjunctive
possessive and demonstrative adjectives and pronouns
indefinite and negative words and expressions
interrogative and exclamatory words
From the Book - Third edition.
1. The present tense of regular verbs, irregular verbs, and verbs with spelling changes
2. The present tense of verbs with stem changes
6. More about the preterit and the imperfect
7. The future and the conditional
8. Reflexive verbs and reflexive constructions
9. The progressive tenses
10. Compound tenses: the present perfect and the pasts perfect
11. Compound tenses: the future perfect and the conditional perfect
12. The passive voice and passive constructions
13. The subjunctive mood: the present and the present perfect subjunctive tenses in noun clauses
14. More uses of the subjunctive: adverb and relative clauses
15. The subjunctive mood past tenses: the imperfect and the pluperfect subjunctive
21. Possessive and demonstrative adjectives and pronouns
24. Indefinite and negative words and expressions
25. Interrogative and exclamatory words