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| Present Time Topic Focus: People and Personalities | |
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| Simple Present Tense; Adverbs of Frequency Grammar | |
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| Simple Present Tense I Grammar | |
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| Simple Present Tense II Grammar | |
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| Adverbs of Frequency with the Simple Present Tense | |
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| Present Progressive Tense Grammar | |
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| Present Progressive Tense I Grammar | |
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| Present Progressive Tense II Grammar | |
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| Present Progressive Tense III | |
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| Simple Present and Present Progressive Grammar | |
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| Simple Present Versus Present Progressive Grammar | |
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| Verbs with Stative Meaning | |
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| Past Time Topic Focus: Unsolved Mysteries | |
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| Simple Past Tense; Used To Grammar | |
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| Simple Past Tense I Grammar | |
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| Simple Past Tense II Grammar | |
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| Used To | |
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| Past Progressive Tense; Simple Past and Past Progressive; Past Time Clauses Grammar | |
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| Past Progressive Tense I Grammar | |
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| Past Progressive Tense II Grammar | |
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| Simple Past Tense Versus Past Progressive Tense Grammar | |
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| Past Time Clauses with When and While | |
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| Future Time Topic Focus: Living with Technology | |
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| Expressing Future Time Grammar | |
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| Future Time with Be Going To I Grammar | |
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| Future Time with Be Going To II Grammar | |
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| Future Time with Will I Grammar | |
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| Future Time with Will II Grammar | |
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| Be Going To Versus Will Grammar | |
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| Present Progressive and Simple Present for Future Time | |
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| Future Time Clauses; Conditionals Grammar | |
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| Future Time Clauses Grammar | |
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| Factual and Future Conditionals | |
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| Nouns, Articles, Quantifiers, and Pronouns Topic Focus: Travel and Transportation | |
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| Nouns and Articles Grammar | |
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| Proper Nouns and Common Nouns Grammar | |
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| Count and Noncount Nouns Grammar | |
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| The Indefinite Article A/An Grammar | |
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| The Definite Article The | |
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| General Quantifiers; Numbers; Measure Words Grammar | |
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| General Quantifiers I Grammar | |
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| General Quantifiers II Grammar | |
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| Numbers and Measure Words | |
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| Pronouns and Possessives Grammar | |
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| Pronouns and Possessive Adjectives I Grammar | |
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| Pronouns and Possessive Adjectives II Grammar | |
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| Indefinite Pronouns | |
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| Adverbs and Prepositions Topic Focus: Care of Body and Mind | |
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| Adverbs and Prepositions Grammar | |
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| Adverbs I Grammar | |
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| Adverbs II Grammar | |
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| Prepositions and Prepositional Phrases | |
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| Phrasal Verbs and Verb + Preposition Combinations Grammar | |
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| Phrasal Verbs Grammar | |
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| Verb + Preposition Combinations Grammar | |
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| Three-Word Verbs | |
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| Adjectives; Comparison with Adjectives and Adverbs Topic Focus: The Wild West | |
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| Adjectives Grammar | |
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| Adjectives Grammar | |
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| Adjectives Ending in -ing and -ed | |
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| Comparison with Adjectives and Adverbs Grammar | |
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| As. . .as with Adjectives and Adverbs Grammar | |
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| Comparative Adjectives and Adverbs Grammar | |
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| Superlative Adjectives and Adverbs | |
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| The Present Perfect Topic Focus: Science: Fact and Fiction | |
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| Present Perfect Tense; Present Perfect Versus Simple Past Grammar | |
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| Present Perfect Tense I Grammar | |
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| Present Perfect Tense II Grammar | |
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| Present Perfect Tense III Grammar | |
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| Time Expressions with the Present Perfect Grammar | |
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| Present Perfect Versus Simple Past | |
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| Present Perfect Progressive Tense; Present Perfect Versus Present Perfect Progressive Grammar | |
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| Present Perfect Progressive Tense I Grammar | |
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| Present Perfect Progressive Tense II Grammar | |
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| Present Perfect Versus Present Perfect Progressive | |
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| Modals, Related Expressions, and Imperatives Topic Focus: Language | |
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| Modals and Related Expressions; Ability; Possibility Grammar | |
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| Overview of Modals and Related Expressions Grammar | |
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| Ability Grammar | |
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| Present Possibility and Belief Grammar | |
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| Future Possibility | |
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| Social Modals and Imperatives Grammar | |
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| Permission and Offers Grammar | |
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| Requests Grammar | |
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| Imperatives for Offers and Requests Grammar | |
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| Necessity and Advice Grammar | |
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| Imperatives for Orders; Had Better (Not) for Warnings Grammar | |
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| Let's (Not) for Suggestions | |
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| Gerunds and Infinitives Topic Focus: Making It | |
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| Gerunds and Infinitives Grammar | |
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| Gerunds I Grammar | |
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| Gerunds II Grammar | |
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| Infinitives I Grammar | |
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| Infinitives II | |
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| Gerunds Versus Infinitives Grammar | |
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| Gerunds Versus Infinitives I Grammar | |
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| Gerunds Versus Infinitives II | |