CAF 1 HOMEWORK UNIT 4

1. Written Language Practice
Page 161
1. Write sentences using must or can’t.
a) The children haven’t eaten anything today. (hungry)
They must be hungry.
b)We worked late last night. (tired)
You must be tired.
c) Joane slept 12 hours yesterday. (sleepy)
She can’t be sleepy.
Remember!
Must and can’t are used when talking about logical conclusions!
Remember!
Must and can’t are used when talking about logical conclusions!

2. Page 161
1. d) David is very well informed. (read the papers
every day)
He must read the papers every day.
e) Sue has a nice family. (unhappy)
She can’t be unhappy.
f) My brother is getting married for the fourth time.
(crazy)
He must be crazy.

3. Page 162
2. Transform the sentences replacing would rather with
would prefer to or vice-versa:
a) I’d rather spend my money on clothes.
I’d prefer to spend my money on clothes.
b) Gary would prefer to spend his vacations on the coast.
Gary would rather spend his vacations on the coast.
c) Sharon would rather try the South Beach Diet rather
than the Atkins Diet.
Sharon would prefer to try the South Beach Diet rather
than the Atkins Diet.
Remember! To talk about preferences, you use:
Would rather (not) + verb
Would (not) prefer to + verb

4. Page 162
2. d) I’d prefer to enjoy my single life rather than get married.
I’d rather enjoy my single life than get married.
e) I’d rather share my apartment than live alone.
I’d prefer to share my apartment rather than live alone.
f) We’d prefer to talk on the MSN rather than write e-mails.
We’d rather talk on the MSN than write e-mails.

5. Page 162
3. Fill in the blanks with the verbs in parentheses.
a) When I lived in the States, I used to have (have) a big
breakfast on Sundays.
b) I have always lived with my parents. I’m not used to doing
housework. (do housework)
Remember!
•used to + verb – I used to play video games when I was a kid.
•verb to be + used to + verb-ing – Now, I’m used to working.
•get + used to + verb-ing – I’ve never been an early bird, but
after some time, I got used to waking up early.

6. Page 162
2. c) People are used to believing (believe) in everything they
read.
d) Angela wasn’t used to driving (drive) on the left side of the
road when she moved to Oxford. But after some time, she got
used to acting (act) like the English.
e) We used to have (have) a lot of fun when we were single.
Now, we are used to taking (take) care of the children.

7. Page 163
4. Fill in the blanks with used to, be used to or get used to and
the verbs in parentheses. PAY ATTENTION TO THE TENSES.
a) We’d always woken up at 11:00. We used to sleep late (sleep
late), but after we changed jobs, we got used to getting ( get)
up at 7:00.
b) We used to go (go) to banks to pay our bills.
Then, we got used to using (use) computers.
Now, we are used to depending on the Net for almost
everything we do in our lives.

8. Page 163
4. c) When we got married, my husband didn’t use to go (not/go) to
church. After some time, he got used to doing (do) it and now, he’s
used to going (go) to Saint Thomas’s Church every Sunday.
d) Larry didn’t drink any water. He didn’t use to drink (not/drink) it
before his doctor told him he should. Now, he’s used to having
( have) two or three liters a day.
e) The Browns moved to Alaska but they didn’t like it because they
weren’t used to living (not/live) in cold places. After a while, they
got used to wearing (wear) heavy clothes and now , they are used
to enjoying (enjoy) all kinds of winter sports.

9. Page 173
1. Transform the sentences:
a) Can you lend me your clothes? (borrow)
Can I borrow your clothes?
b) Did she borrow money from you? (lend)
Di d you lend money to her?
c) Did Mary lend money to George? (borrow)
Did George borrow money from Mary?
Remember!
You borrow something from someone. (borrow/borrowed)
You lend something to someone. (lend/lent)

10. Page 173
1.
d) Will you borrow money from your father if you need? (lend)
Will you father lend you money if you need?
e) Can your friends lend you CDs? (borrow)
Can you borrow CDs from your friends?

11. PAGE 173
2. Complete the dialogue with Indirect Questions.
a) Laurie: What will we have for dinner?
I’d like to know what we will have for dinner.
b) Greg: Do you like raw fish?
Are you sure you like raw fish?
c) Laurie: Is it very spicy?
Do you know if it’s very spicy?
Remember!
An Indirect Question is a question inside a question. This second
question is in affirmative form.
Ex.: Can you tell me where Santa Maria School is?

12. Page 174
2. d) Greg: Have you ever been to a Japanese restaurant?
I wonder if you have ever been to a Japanese restaurant.
e) Laurie: Why are you laughing?
Could you tell me why you’re laughing?
f) Greg: Can I help you choose something?
I want to know if I can help you choose something.

13. Page 175
3. Choose the best synonyms.
a) The famous actor keeps fit by working out for na hour every
day. Exercising
b) Those HD TVs are a trend at the moment. Craze
c) Drop in to see us any time you’re in town. Come by
d) Looking after children wears me out in a short time. Makes
me tired
e) Will it bother you if I turn on the radio? Disturb
f) In high altitudes, people get breathless easily. Exhausted
g) The doctor told me to cut down on smoking and drinking.
Reduce

14. Page 189
1. Make up if-clauses using the sentences suggested.
a) If we worry about the environment, we’ll save the planet.
b) If we become ecology-conscious, we’ll have a healthier life.
c) If we plant more trees, we won’t have polution.
d) If we recycle paper, we won’t destroy the forests.
Remember!
If + present ------ Condition
Will + verb ------- Consequence/Result
Ex.: If you study, you’ll pass the test.

15. Page 189
2. Rewrite the sentences using that’s why.
a) John Scott has gained weight because he’s been drinking a lot.
John Scott has been drinking a lot. That’s why he’s gained
weight.
b) You’ll have to do without the pancakes because I ran out of eggs.
I ran out of eggs. That’s why you’ll have to do without the
pancakes.
c) I don’t want to follow this health mania because it’s insane.
This health mania is insane. That’s why I don’t want to follow it.
Remember!
Use That’s why if you want to give the reason why you did something.
Ex.: I wanted to pass the test. That’s why I studied all day long.
Remember!
Use That’s why if you want to give the reason why you did something.
Ex.: I wanted to pass the test. That’s why I studied all day long.

16. Page 190
3. Complete the dialogue with the correct tense of the verbs in
parentheses:
Gladys: You look terrible, Janet. What is (be) up?
Janet: I’ve had/’ve been having (have) some problems lately.
Gladys: Do you feel like talking (talk) about it?
Janet: Well, you know I’ve dated/’ve been dating (date) Terry for
a year and I have always thought (think) he was a nice guy.
But last week, I found out (find out) he has been seeing (see)
another girl since February. She had been (be) his girlfriend
two years before I met him. In January, she got back (get
back) from college and since then, he has changed (change) a
lot.

17. Page 190
3. Gladys: Have you talked (talk) to him about it?
Janet: I’ve tried (try) but he avoids talking (talk) about this
subject. What should I do?
Gladys: Open your heart to him. If he really loves you, you will
find (find) a solution to your problem.

18. Page 190
4. Complete the sentences with too or either. Use the
appropriate auxiliary verbs when necessary.
a) Fred Astaire was a great dancer.
Gene Kelly was too.
b) Marilyn Monroe didn’t live very long.
James Dean didn’t either.
c) Pablo Neruda has won a Nobel Prize.
Kafka has too.
d) Fashion models can’t be overweight.
Most athletes can’t either.
Remember!
Too ------ Affirmative
Either --- Negative

19. Page 191
5. Complete the sentences with so or neither. Use the
appropriate auxiliary verbs when necessary.
a) Brigitte Bardot used to be a movie star.
And so did Burt Lancaster.
b) The Americans haven’t protected their Indians.
Neither have the Brazilians.
c) The Italians didn’t win the World Cup in 1994.
Neither did the Germans.
Remember!
So + auxiliary verb ----- ----------Affirmative
Neither + auxiliary verb ---------Negative
Remember!
So + auxiliary verb ----- ----------Affirmative
Neither + auxiliary verb ---------Negative

20. Page 191
5. d) India was a British colony.
And so was Australia.
e) Gandhi never liked violence.
Neither did Martin Luther King.
f) We shouldn’t forget the poor people.
Neither should the government.

21. Pages 191 and 192
6. Give recommendations using had better in the affirmative or negative and
the clues given.
a) This traffic drives me crazy.
You’d better avoid driving during rush hours.
b) My brother has been having stomachaches.
He’d better follow a special diet.
c) We’ve been very sleepy lately.
We’d better not got to bed so late.
d) My cholesterol is very high.
You’d better not eat fatty foods.
e) The children are becoming couch potatoes.
They’d better exercise more
Remember!
Had better (not) + verb = strong recommendations or warning
Ex.: You’d better study if you want to pass the test.