Page 154 - Grammar Explorer 2 - demo

PRACTICE

6 WRITE & SPEAK.
A Complete each sentence with the present perfect form of the verb in parentheses and
for or since.

1. Personal computers have been (be) available since 1980.

2. People (enjoy) television almost 100 years.

3. We (use) social networking sites a long time.

4. Lily (have) a smartphone she was in high school.

5. I (not buy) a CD many years.

6. Fabian (take) three online courses each semester
he started college.

7. I (not receive) any emails Friday.

8. Dan (send) ten text messages 9:00 a.m.

B Work with a partner. Compare your answers from exercise A. Then talk about your own
experience with technology. Use the topics below and the present perfect with for or since.

laptop phone social networking site TV DVD

A: I’ve had this phone for six months.

B: Really? Do you like it?

7 LISTEN.

A Listen to three phone conversations with an agent at an electronics company. Write the
CD2-05
number of each conversation next to the topics below.

phone Internet connection MP3 player

B Work with a partner. Complete the excerpts from the conversations. Then listen again and
CD2-06–08
check your answers.
Conversation 1

Agent: I’m sorry to hear that. How long (1) it?

Caller: I bought it in January, so I’ve only (2) it (3) about two months.
Agent: And what’s the problem?

Caller: Well, (4) the last week or two, the sound (5) terrible!

134 The PReSeNT PeRFeCT
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