31Lesson 103: The Present Perfect
32Lesson 104: The Verb Hacer, To Measure Time
33Lesson 105: The Imperative Mode-Commands with Regular Verbs
34Lesson 106: Imperatives with Stem Changes
35Lesson 107: Common Irregular Verbs in the Imperative
36Lesson 108: Comparisons of Equality
37Lesson 109: Comparisons the Inequality and the Superlative
38Lesson 110: The Present Subjunctive of Regular Verbs
39Lesson 111: The Present Subjunctive of Irregular Verbs
40Lesson 112: The Indicative vs. the Subjunctive
41Lesson 113: Affirmative vs. Negative Words
42Lesson 114: The Conditional Mode
43Lesson 115: Two Ways to Say For
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