Grammar in Context 1 / English in the World

Page 315

APPENDIX A SUMMARY OF VERB TENSES VERB TENSE

SIMPLE PRESENT

PRESENT CONTINUOUS

FUTURE WITH WILL

FUTURE WITH BE GOING TO

SIMPLE PAST

FORM

MEANING AND USE

I have class Mondays. He doesn’t have class today. Do you have class today? What do you do every day?

•  facts, general truths, habits, and customs

I am studying biology this semester. He isn’t studying now. Are you studying this weekend? What is she studying at college?

•  actions that are currently in progress

I will go to the store. He won’t go to the store. Will you go to the store? When will you go to the store?

•  future plans/decisions made in the moment

He’s going to study all weekend. He isn’t going to study Saturday. Are you going to study Saturday? What are you going to study Saturday?

•  future plans that are already made

They liked the story. I didn’t like the story. Did you like the story? What did you like about the story?

•  recent or historical events

•  used with frequency adverbs, e.g., always, usually, sometimes, never •  regular activities and repeated actions •  future actions if a future time expression is used or understood

•  strong predictions •  promises and offers to help •  predictions

•  a narrative, or story, that is real or imagined •  events in a person’s life •  the result of an experiment

PAST CONTINUOUS

PRESENT PERFECT

She was watching TV when I called. I wasn’t watching TV when you called. Were you watching TV around 10? What were you watching?

•  an action in progress at a specific past time

I have seen the movie Black Panther. He has seen Black Panther five times. Have you seen Black Panther? Why have you never seen Black Panther?

•  actions that started in the past and continue to the present

•  often with the simple past in another clause to show the relationship of a longer past action to a shorter past action

•  actions that repeat during a period of time from the past to the present •  repeated actions at indefinite times in the past

She has been working there for years. I haven’t been working regularly in awhile. Have you been working here long? Where have you been working lately?

PRESENT PERFECT CONTINUOUS

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•  actions that started in the past and continue to the present

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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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