Page 157 - Grammar Explorer 2 - demo

2 CHECK. Choose the correct answer for each question.
1. What does The Composites website let people do?

a. read great literature b. see interesting pictures c. write a computer program

2. Who usually uses composite pictures to create pictures of criminals?
a. authors b. readers c. the police

3. Where does the information for the pictures on the website come from?
a. police witnesses b. visitors to the website c. book descriptions

4. Why is Helen disappointed by some movies that are based on books?

a. The characters in the movies don’t look right.
b. The movies change the names of the characters.
c. The movies change the events of the story.

3 DISCOVER. Complete the exercises to learn about the grammar in this lesson.

A Look at each sentence or phrase from the conversation from exercise 1. Does it refer to a
definite or indefinite time in the past? Put a check (✓) in the correct column.

Definite Time Indefinite Time
1. Have you seen it? ✓

2. Last year, he put the pictures on the website.

3. . . . when they’ve witnessed a crime . . .

4. I read the novel Dracula last month.

B Look at the sentences from exercise A.
Which verb form do we use to talk about
an indefinite time in the past? Discuss your
answer with your classmates and teacher.

Count Dracula as
portrayed by Bela
Lugosi in the 1931
film Dracula

UNIT 5 LeSSON 3 137
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