Grammar in Context 1 / English in the World

Page 309

SUMMARY OF UNIT 12 Verb Review EXAMPLES

EXPLANATION

Simple Present

Irving loves to fly. He often helps kids. Irving comes from Jamaica.

We use the simple present with facts, general truths, habits, customs, regular activities, repeated actions, and a place of origin.

Present Continuous

Salopek is walking around the world. We are reviewing verbs.

We use the present continuous with actions that are happening right now, or with longer actions that are in progress but may not be happening at this exact moment.

Future

Salopek is going to end his journey in South America. He will arrive in Tierra del Fuego.

We use the future with simple facts or predictions about the future.

Simple Past

Chimene’s family left Africa in 2004. She learned English quickly.

We use the simple past with actions that began and ended in the past.

Be

Salopek and Irving are adventurous. There are many ways to teach kids about science. Chimene was born in Africa.

We use be with descriptions, location, age, weather, time, there, and born.

Modals

Chimene can speak English fluently. She might be a lawyer in a few years.

We use modals to add meaning to the main verb.

Infinitives

She wants to become a lawyer. It’s necessary to choose a major. She’s pleased to be in the U.S. She’s studying hard to get into a good law school.

We use infinitives after certain verbs, certain expressions beginning with it, and certain adjectives. We use infinitives to show purpose.

Auxiliary Verbs EXAMPLES

EXPLANATION

Irving likes adventure. Salopek does, too. I wasn’t born here. You weren’t, either.

We use auxiliary verbs with too and either to avoid repetition of the same verb phrase.

Chimene can’t remember her native language, but her older sister can. Chimene is in college, but Joseph isn’t.

We use auxiliary verbs to avoid repetition in opposite statements.

Irving helps kids, doesn’t he? Salopek won’t stop in France, will he?

We use auxiliary verbs to make tag questions.

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INDEX

17min
pages 333-338

J Sentence Types

1min
page 328

GLOSSARY

7min
pages 329-332

I Infinitives

0
page 327

B Nonaction Verbs

0
page 316

A Summary of Verb Tenses

2min
page 315

H Verbs and Adjectives Followed by a Preposition

1min
page 326

FROM GRAMMAR TO WRITING

3min
pages 313-314

UNIT SUMMARY

1min
page 309

12.3 Auxiliary Verbs with Too and Either

3min
pages 305-306

READING 3 Chimene Ntakarutimana: From Africa to America

1min
page 304

READING 2 1 Man, 7 Years, 21,000 Miles

1min
page 297

12.1 Verb Review—Uses

5min
pages 294-296

READING 1 Barrington Irving: Flying to Inspire

1min
page 293

READING 2 Doing Things Differently

2min
page 280

UNIT SUMMARY

1min
page 287

FROM GRAMMAR TO WRITING

2min
pages 289-292

11.1 Comparatives and Superlatives—An Overview

1min
page 274

READING 1 Climbing Denali

1min
page 273

FROM GRAMMAR TO WRITING

3min
pages 269-272

UNIT SUMMARY

0
page 267

10.6 Very and Too

1min
page 265

READING 2 Lilly Ledbetter

2min
page 257

READING 3 Michelle Obama

1min
page 264

READING 1 Helen Keller

1min
page 253

READING 3 Eat Less, Live Longer

1min
page 242

FROM GRAMMAR TO WRITING

3min
pages 249-252

READING 2 The Importance of Water

1min
page 235

FROM GRAMMAR TO WRITING

3min
pages 225-228

READING 4 The Difficult Return

1min
page 220

READING 3 Shopping Tips

1min
page 218

READING 1 Tired of Being Tired

1min
page 229

8.7 Modals and Phrasal Modals—Overview

1min
page 210

READING 2 Are Free Trials Really Free?

1min
page 209

READING 1 Shopping in the Digital Age

2min
page 201

READING 3 The Father of Modern Rocketry

1min
page 180

UNIT SUMMARY

1min
page 195

READING 3 Human Colony on Mars?

2min
page 162

FROM GRAMMAR TO WRITING

3min
pages 167-170

READING 1 The Wright Brothers

1min
page 171

READING 2 Amazing Aviators

1min
page 174

READING 4 Sally Ride

1min
page 187

UNIT SUMMARY

1min
page 165

6.3 The Future with Be Going To—Forms

1min
page 158

READING 1 Choosing a Career

1min
page 153

READING 2 Disappearing Birds

2min
page 140

READING 3 Climate Change

1min
page 143

UNIT SUMMARY

1min
page 147

READING 2 Ray Kurzweil, Futurist

1min
page 157

READING 3 Who Names Hurricanes?

1min
page 119

UNIT SUMMARY

1min
page 125

READING 1 Saving Lemurs

1min
page 131

READING 1 The Name Game

1min
page 107

FROM GRAMMAR TO WRITING

3min
pages 79-82

READING 1 The High Cost of Housing

1min
page 83

3.6 Questions and Short Answers with There

1min
page 92

READING 3 Tiny Houses

1min
page 95

UNIT SUMMARY

1min
page 101

READING 2 Naming Customs

1min
page 114

READING 2 Finding an Apartment

2min
page 88

READING 3 Test for College Admission

1min
page 43

READING 2 The Smokies

1min
page 59

READING 3 Times Square

1min
page 70

READING 2 Public School FAQs

1min
page 34

READING 1 Community College FAQs

1min
page 21

UNIT SUMMARY

1min
page 45

READING 1 Washington, DC

1min
page 51

2.10 Position of Frequency Words and Expressions

1min
page 72
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