Page 458 - Grammar Explorer 2 - demo

6 Finish each sentence by adding a period (.) or a question mark (?).

1. I can’t remember whether Heyerdahl was Norwegian or not

2. Do you remember if the Polynesians came from South America

3. Mae wasn’t certain if the lecture on Polynesia was canceled

4. I wonder whether Heyerdahl was right

5. Do you know if the professor wants us to write about Polynesia

6. Can you tell me whether the assignment is due this week

7 Complete the exercises.

A Look at the Yes/No questions. Then complete the noun clauses. Add a period (.) or a
question mark (?) to the end of each noun clause.

1. Does Diego speak Japanese?

Do you know whether Diego speaks Japanese?

2. Did I turn the TV off?

I can’t remember if

3. Is Alex on vacation?

I’m not sure if

4. Was Joanne at the lecture?

I wonder whether

5. Does the bus go to the park?

Kai’s not sure whether

6. Is the concert tonight?

Can you tell me if

7. Did Shari leave?

We’re not certain if

8. Are they happy?

No one knows whether

B Work with a partner. Take turns reading the completed sentences from exercise A. Add or not
in an appropriate place.

Do you know whether or not Diego speaks Japanese?

438 NouN Clauses aNd RepoRted speeCh
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