"Grammar Explorer prepares students for academic success through captivating National Geographic content and assignments that mirror the requirements of academic life. Going beyond clear grammar charts and instruction, Grammar Explorer challenges students to think critically while using grammar in their listening, speaking, reading, and writing." (Publisher's Website)

CONTENTS

Inside a Unit

Unit 1 - PEOPLE (The Verb Be)

Lesson 1: Simple Present of Be — Contractions with Be
Reading: Say hello!

1.1 Simple Present of Be: Affirmative Statement

1.2 Contractions with Be

Lesson 2: Be + Singular Noun — Be + Plural Noun
Reading: Dereck and Beverly Joubert

1.3 Be + Singular Noun

1.4 Be + Plural Noun

1.5 Simple Present of Be: Negative Statements

Lesson 3: Descriptive Adjectives
Reading: Tank the Bear

1.6 Descriptive Adjectives

Lesson 4: Possessive Adjectives — Possessive Nouns
Reading: Sami Reindeer Herders

1.7 Possessive Adjectives

1.8 Possessive Nouns

Review the Grammar

Connect the Grammar to Writing: Write about Two Family Members

Unit 2 - CELEBRATIONS (The Verb Be: Questions)

Lesson 1: Simple Present of Be: Yes/No Questions
Reading: Happy name day!

2.1 Simple Present of Be: Yes/No Questions

2.2 Simple Present of Be: Short Answers

Lesson 2: Prepositions of Place; Questions with Where + Be
Reading: Eiffel Tower Tour

2.3 Prepositions of Place

2.4 Question with Where + Be

Lesson 3: Question about Time and Weather
Reading: New Year's Celebrations around the World

2.5 Question about Time

2.6 Questions with When — Prepositions of Time (Part 1)

2.7 Questions about the Weather

Lesson 4: This, That, These, Those
Reading: Holi Festival

2.8 This, That, These, Those

2.9 Questions and Answers with This, That, These, Those

Review the Grammar

Connect the Grammar to Writing: Write about a Celebration

Unit 3 - WORK (Simple Present: Part 1)

Lesson 1: Simple Present: Affirmative Statements
Reading: Doctor Bugs

3.1 Simple Present: Affirmative Statements

3.2 Simple Present Spelling Rules: -s and -es Endings

3.3 Irregular Verbs: Do, Go and Have

Lesson 2: Simple Present: Negative Statements and Contractions
Reading: Life on the Space Station

3.4 Simple Present: Negative Statements

3.5 Prepositions of Time (Part 2)

3.6 Like, Need, and Want + Infinitive

Lesson 3: Verbs + Objects
Reading: Elephant Keepers

3.7 Verb + Object / Verb + Preposition + Object

3.8 Object Pronouns

Lesson 4: Imperatives
Reading: How to Get a Job in Game Design

3.9 Imperatives: Affirmative

3.10 Imperatives: Negative

Review the Grammar

Connect the Grammar to Writing: Write about a Job

Unit 4 - LIFESTYLES (Simple Present: Part 2)

Lesson 1: Simple Present: Yes/No Questions and Short Answers
Reading: The People from the Nicoya Peninsula

4.1 Simple Present: Yes/No Questions

4.2 Simple Present: Short Answers to Yes/No Questions

Lesson 2: Frequency Adverbs and Expressions
Reading: Night Markets

4.4 Frequency Adverbs

4.5 Frequency Expressions

Lesson 3: Simple Present: Wh- Questions
Reading: The Amish

4.7 Simple Present: Wh- Questions

4.8 Who Questions about a Subject

Review the Grammar

Connect the Grammar to Writing: Write about a Job

Unit 5 - FOOD AND HOSPITALITY (Count and Non-Count Nouns)

Lesson 1: Count and Non-Count Nouns; Articles

Reading: At the Grand Hotel

5.1 Count and Non-Count Nouns

5.2 Using A/An with Count Nouns

5.3 A/An vs The

Lesson 2: Measurement Words; Some, Any
Reading: Erik's Food Blog

5.4 Measurement Words

5.5 Some, Any

Lesson 3: Much, Many, A Lot of; A Few, A Little
Reading: The Hadza People

5.6 Much, Many, A Lot Of

5.7 A Few, A Little

5.8 Questions with How Much and How Many

Review the Grammar

Connect the Grammar to Writing: Write about a Job

Unit 6 - HOMES AND COMMUNITIES (There Is / There Are)

Lesson 1: There Is/There Are
Reading: Side Trips from Shanghai

6.1 There Is/There Are: Statements

6.2 There Is/There Are: Yes/No Questions and short Answers

6.3 How Much ... Is there / How Many ... Are There?

Lesson 2: Too Much/Too Many; Enough/Not Enough
Reading: Home Design

6.4 Too Much/Too Many + Noun

6.5 Enough/Not Enough + Noun

Lesson 3: Indefinite Pronouns
Reading: Dune Shacks

6.6 Indefinite Pronouns: Nothing, Anything, Something, Everything

6.7 Indefinite Pronouns: No One, Nobody, Anyone, Anybody, Someone, Somebody, Everyone, Everybody

Review the Grammar

Connect the Grammar to Writing: Write Your Opinion about a Place

Unit 7 - EXTREMES (Present Progressive)

Lesson 1: Present Progressive: Statements
Reading: Highliners

7.1 Present Progressive: Affirmative Statements

7.2 Present Progressive: Negative Statements

Lesson 2: Present Progressive: Questions
Reading: An Interview with Stephen Alvarez

7.4 Present Progressive: Yes/No Questions and Short Answers

7.5 Present Progressive: Wh-Questions

7.5 Wh- Questions with Who

Lesson 3: Simple Present vs. Present Progressive
Reading: Tornado!

7.6 Simple Present vs. Present Progressive

7.7 Non-Action Verbs

Review the Grammar

Connect the Grammar to Writing: Write about the Activities in Your Life

Unit 8 - TRAVEL (The Past: Part 1)

Lesson 1: Simple Past of Be: Statements
Reading: Next Stop ... A Travel Blog

8.1 Simple Past of Be: Statements

8.2 Past Time Expressions with Last, Yesterday, and Ago

Lesson 2: Simple Past of Be: Questions
Reading: Iceland

8.3 Simple Past of Be: Yes/No Questions

8.4 Simple Past of Be: Wh- Questions

Lesson 3: Simple Past: Affirmative Statements
Reading: Antarctic Adventure

8.5 Simple Past: Affirmative Statements with Regular Verbs

8.6 Spelling Rules: -ed Forms

8.7 Simple Past Irregular Verbs: Group 1

Lesson 4: Simple Past: Negative Statements
Reading: Amazon Explorer Ed Stafford

8.8 Simple Past: Negative Statements

8.9 Simple Past Irregular Verbs: Group 2

8.10 Simple Past Irregular Verbs: Group 3

Review the Grammar

Connect the Grammar to Writing: Write a Blog Entry about a Trip

Unit 9 - ACHIEVEMENTS (The Past: Part 2)

Lesson 1: Simple Past: Questions
Reading: Wangari Maathai

9.1 Simple Past: Yes/No Questions and Short Answers

9.2 Simple Past: Wh- Questions

9.3 Wh- Questions with Who or What

Lesson 2: Past Time Clauses
Reading: Ernest Shackleton's Expedition

9.4 Past Time Clauses with Before and After

9.5 Past Time Clauses with When

Lesson 3: Past Progressive
Reading: Tenzing Norgay

9.6 Past Progressive

9.7 Simple Past vs. Past Progressive

Review the Grammar

Connect the Grammar to Writing: Write a Biography

Unit 10 - HUMAN AND ANIMAL ENCOUNTERS (Adjectives and Adverbs)

Lesson 1: Adjectives
Reading: Fennec Foxes

10.1 Modifying Nouns with Adjectives

10.2 Adjectives with How and What Questions

10.3 Using Nouns as Adjectives

Lesson 2: Adverbs of Manner and Adjectives
Reading: Gorilla Encounter

10.4 Adjectives vs. Adverbs of Manner

10.5 Linking Verbs + Adjectives

10.6 Adverbs and Adjectives with the Same Form

Lesson 3: Adjectives and Adverbs with Too, Very, and Enough
Reading: Save the Iberian Lynx

10.7 Too/Very + Adjective or Adverb

10.8 Adjective or Adverb + Enough

Review the Grammar

Connect the Grammar to Writing: Write about an Animal

Unit 11 - CHALLENGES AND ABILITIES (Modals: Part 1)

Lesson 1: Can/Could
Reading: Look! I can fly!

11.1 Can/Could for Ability and Possibility: Statements

11.2 Can/Could for Ability and Possibility: Questions

Lesson 2: Be Able To — Know How To
Reading: Winter the Dolphin

11.3 Be Able To

11.4 Know How To

Lesson 3: And, But, and So
Reading: Challenges for Athletes

11.5 And, But, So

11.6 Contrasts after But

Review the Grammar

Connect the Grammar to Writing: Write about a Challenge

Unit 12 - AMAZING PLACES (Comparative and Superlative Adjectives)

Lesson 1: Comparative Adjectives
Reading: Two Amazing Mountains

12.1 Comparative Forms of short Adjectives

12.2 Comparative Forms of Long Adjectives

12.3 Questions with Comparatives

Lesson 2: Superlative Adjectives
Reading: Gorilla The National Museum of Anthropology

12.4 Superlative Forms of Short Adjectives

12.5 Superlative Forms of Long Adjectives

12.6 Questions with Superlatives

Lesson 3: Possessive Pronouns; Whose
Reading: Frank Gehry: An Unusual Architect

12.7 Possessive Pronouns

12.8 Wh- Questions with Whose

Review the Grammar

Connect the Grammar to Writing: Write a Comparison between Two Places

Unit 13 - CUSTOMS AND TRADITIONS (Modals: Part 2)

Lesson 1: Should/Shouldn't
Reading: Subject: A Business Trip to Tokyo

13.1 Should for Advisability: Statements

13.2 Should for Advisability: Questions

Lesson 2: May and Can — Have To/Don't Have To
Reading: You can't do that here!

13.3 Can/May for Permission

13.4 Have To for Necessity: Statements

13.5 Have To for Necessity: Questions

Lesson 3: Can/Could/Would: Polite Requests and Offers
Reading: Disappearing Cultures

13.6 Can You/Could You/Would You for Polite Requests

13.7 Can I/Could I/Would You Like for Polite Offers

Review the Grammar

Connect the Grammar to Writing: Write a Request

Unit 14 - EDUCATION AND LEARNING (The Future)

Lesson 1: Future with Be Going To and Present Progressive
Reading: An Unusual College Experience

14.1 Future with Be Going To: Statements

14.2 Future with Be Going To: Questions

14.3 Future with Present Progressive

Lesson 2: Future with Will — Possibility with May/Might
Reading: The Internet and the Future of Education

14.4 Future with Will: Statements

14.5 Future with Will: Questions

14.6 Possibility with Might/May

Lesson 3: If Clauses — Future Time Clauses
Reading: Color and Test Scores

14.7 If Clauses

14.8 Future Time Clauses with Before, After and When

Review the Grammar

Connect the Grammar to Writing: Write a Personal Statement

Appendices

Glossary of Grammar Terms

Index