12Lesson 51 - More Practice With the Past Tense
3Lesson 52 - The Verb "To Be": Past & Present Tense, Translated into Chinese
4Lesson 53 - The Verb "To Have": Past Tense
5Lesson 54 - Speaking About the Past With Some Common Verbs
6Lesson 55 - Using the "Shi" and "Shi... De" Constructions for Emphasis and Past Tense
7Lesson 56 - Adding to Verbs Using the Participle "De" or the Negative "Bu"
8Lesson 57 - The Verb Suffix "Guo": Speaking About the Past
9Lesson 58 - The Verb Suffix "Zhe": Speaking About Ongoing Action
10Lesson 59 - Some Important Concepts
11Lesson 60 - More Important Concepts
12Lesson 61 - Some Useful Sentences in the Present Tense
13Lesson 62 - Using Direct Object Pronouns in Sentences
14Lesson 63 - Using Indirect Object Pronouns in Sentences
15Lesson 64 - More Indirect Object Pronouns
16Lesson 65 - Pronouns in Negative Sentences
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