Daphne Mackey is a veteran ESL professional, who has been in the field for over 35 years. She is the author of level 1 of National Geographic Learning’s new exciting grammar series Grammar Explorer. She has written and co-written several ESL textbooks, including Contact USA, Grammar Plus, and Read This. For the past twenty-five years, Daphne has been working in the English Language Programs at the University of Washington as a program administrator and lecturer. She has also taught in the MBA program at Pacific Lutheran University and done training in business communication.

• UNIT 1: PeopleThe Verb Be UNIT 2: Celebrations The Verb Be: Questions UNIT 3: WorkSimple Present: Part 1UNIT 4: LifestylesSimple Present: Part 2UNIT 5: Food and HospitalityCount and Non-Count NounsUNIT 6: Homes and CommunitiesThere Is/There AreUNIT 7: ExtremesPresent ProgressiveUNIT 8: TravelThe Past: Part 1UNIT 9: AchievementsThe Past: Part 2UNIT 10: Human and Animal EncountersAdjectives and AdverbsUNIT 11: Challenges and AbilitiesModals: Part 1UNIT 12: Amazing PlacesComparative and Superlative AdjectivesUNIT 13: Customs and TraditionsModals: Part 2UNIT 14: Education and LearningThe Future

Daphne Mackey is a veteran ESL professional, who has been in the field for over 35 years. She is the author of level 1 of National Geographic Learning’s new exciting grammar series Grammar Explorer. She has written and co-written several ESL textbooks, including Contact USA, Grammar Plus, and Read This. For the past twenty-five years, Daphne has been working in the English Language Programs at the University of Washington as a program administrator and lecturer. She has also taught in the MBA program at Pacific Lutheran University and done training in business communication.

• UNIT 1: PeopleThe Verb Be UNIT 2: Celebrations The Verb Be: Questions UNIT 3: WorkSimple Present: Part 1UNIT 4: LifestylesSimple Present: Part 2UNIT 5: Food and HospitalityCount and Non-Count NounsUNIT 6: Homes and CommunitiesThere Is/There AreUNIT 7: ExtremesPresent ProgressiveUNIT 8: TravelThe Past: Part 1UNIT 9: AchievementsThe Past: Part 2UNIT 10: Human and Animal EncountersAdjectives and AdverbsUNIT 11: Challenges and AbilitiesModals: Part 1UNIT 12: Amazing PlacesComparative and Superlative AdjectivesUNIT 13: Customs and TraditionsModals: Part 2UNIT 14: Education and LearningThe Future

Daphne Mackey is a veteran ESL professional, who has been in the field for over 35 years. She is the author of level 1 of National Geographic Learning’s new exciting grammar series Grammar Explorer. She has written and co-written several ESL textbooks, including Contact USA, Grammar Plus, and Read This. For the past twenty-five years, Daphne has been working in the English Language Programs at the University of Washington as a program administrator and lecturer. She has also taught in the MBA program at Pacific Lutheran University and done training in business communication.

• UNIT 1: PeopleThe Verb Be UNIT 2: Celebrations The Verb Be: Questions UNIT 3: WorkSimple Present: Part 1UNIT 4: LifestylesSimple Present: Part 2UNIT 5: Food and HospitalityCount and Non-Count NounsUNIT 6: Homes and CommunitiesThere Is/There AreUNIT 7: ExtremesPresent ProgressiveUNIT 8: TravelThe Past: Part 1UNIT 9: AchievementsThe Past: Part 2UNIT 10: Human and Animal EncountersAdjectives and AdverbsUNIT 11: Challenges and AbilitiesModals: Part 1UNIT 12: Amazing PlacesComparative and Superlative AdjectivesUNIT 13: Customs and TraditionsModals: Part 2UNIT 14: Education and LearningThe Future