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METU/SFL
Dept. of B.E.
February 2015
2014-2015
REPEAT GROUP
SPRING SEMESTER, FIRST SPAN
WEEK II, WEEKEND HOMEWORK
A. Complete each sentence giving computer advice using an if-condition, so that it has the same
meaning as the first sentence.
a Don't press that button on the keyboard, or you'll lose what you've written.
If __________________________________________________________________________
b
Make a back-up copy of your work or you'll lose it.
You won't ___________________________________________________________________
c
You need virus protection to avoid having problems with your computer.
If __________________________________________________________________________
d
Sitting too long at the computer will make your back and arms ache.
Your _______________________________________________________________________
e
Don't turn off the computer before closing all programs, or you could have problems.
___________________________________________________________________________
f
You'll lose your work unless you save it before closing the word-processing program.
If __________________________________________________________________________
g
You can save a lot of time by learning the keyboard short cuts.
If __________________________________________________________________________
h
Running too many programs at the same time will probably make the computer crash.
The computer _________________________________________________________________
B. Choose the correct option, A, B or C, to complete the sentence.
1 You can start doing Section 2 if you______________________ Section 1.
2 Could you get me a book from the library, if I______________________ the details.
3 If______________________ a moment, I'll see if I can find another question paper for you.
4 I'll go over the figures again, if you______________________
5 If you______________________ the instructions, then of course you'll get the answers wrong!
6 If you______________________ a dictionary, then make sure you know how to use it!
7 If I finish my project on time, I______________________ a couple of days off!
1 A will finish
2 A give you
3 A you'll wait
4 A will think that helps.
5 A aren’t reading
6 A will use
7 A had better take
B are going to finish
B will give you
B you have waited
B think that will help
B read
B have used
B am able to take
C have finished
C have given you
C you are waiting
C will think that will help.
C won't read
C are going to use
C am going to take
C. Choose the correct option. A, B or C, to complete the sentence.
1
Why don't you use the Internet? If you had looked up the information on the net, you _______.
2
If Alice ______ a cycle helmet, she might have been seriously injured.
3
If there wasn't any water on the Earth, life _______.
4
Luckily I checked my diary. If I________ that, I would have completely forgotten her birthday.
5
You don't believe in yourself. That's why you failed your driving test. If you were more selfconfident, I'm sure you______.
6
If you travelled to the Sun at the speed of light, you_______ there in about eight and a half
minutes.
7
If you're thinking of having a sun-and-sea holiday, _______ yourself from the sun.
8
You can start looking at the next unit if you______________________ Exercise 5.
9
It's a lot quicker going by train than by car. And even if you_______ by car, it's impossible to find
anywhere to park,
10 If we ............... an hour extra every day, we could finish the project a week early.
1 A would know the answer B knew the answer
C will know the answer
2 A wasn't wearing
B hadn't been wearing
C isn't wearing
3 A wouldn't have begun
B will not begin
C wouldn't begin
4 A hadn't done
B didn't do
C would do
B would have passed
C will pass
6 A arrive
B would have arrived
C would arrive
7 A you have protected
B you should protect
C you will protect
8 A would have finished
B finished
C have finished
9 A went
B had gone
C go
B have worked
C had worked
5 A passed
10 A work
'
D. Complete the sentence with a suitable form of the verb in brackets
If all the people on Earth 1 __________________ (disappear)
tomorrow,
nature
2__________________ (begin) to reclaim the planet. For a start, if people no longer
3__________________ (pollute) the atmosphere, the air 4__________________ (soon become) clean
again. If there 5
__________________ (be) no people to maintain buildings, they 6
__________________ (soon begin) to decay, but more solid parts 7__________________ (take)
thousands of years to disappear. In general, if the 6.5 billion humans no longer 8__________________
(compete) with other species on Earth, most species 9__________________ (benefit). For example, if
humans no longer 10__________________ (catch) fish, the numbers of fish worldwide
11__________________ (eventually increase). However, if humans 12__________________
(vanish) from the Earth, endangered species of animals 13__________________ (not necessarily
recover) as some are already too few in number. Some endangered species 14 __________________
(have) greater difficulty surviving if no humans 15__________________ (take) the trouble to protect
them from other species. Even if we no longer 16 __________________ (poison) the planet, several
decades 17 __________________ (go by) before all dangerous chemicals 18__________________
(disappear). And even if the burning of fossil fuels 19__________________ (cease) tomorrow, the
oceans 20 __________________ (not absorb) all the C02 in the atmosphere for thousands of years. In
the end, though, if alien visitors 21__________________ (land) on the Earth in 100,000 years’ time
they 22__________________ (find) no signs that an advanced civilization had ever lived here.
E. Rewrite the following sentences without changing their meanings.
1. Because it is raining, we cannot have the party in the garden.
If _____________________________________________________________________.
2. Travel agents receive free air tickets. Unfortunately, I'm not working at a travel agent's.
If _____________________________________________________________________.
3. He is not here at the moment so he cannot help us.
If _____________________________________________________________________.
4. I don't have his phone number, so I can't call him.
If _____________________________________________________________________.
5. You will never get fit if you don’t exercise regularly
Unless _________________________________________________________________.
6. I won't invite Sally to dinner because I don't know her well enough.
If _____________________________________________________________________.
7. Don’t interrupt me while I’m working if it is not absolutely necessary.
__________________________________ unless _______________________________.
8. You may apologize a thousand times, but he will never forgive you.
Even if _________________________________________________________________.
9. I can’t go out with you because I must clean my room.
If _____________________________________________________________________.
10. She isn’t in our class so I don’t know her name.
If _____________________________________________________________________.
11. She may not get a scholarship, but still she will take a postgraduate course.
Even if ________________________________________________________________.
12. He takes a short holiday as he doesn’t earn enough money for a longer one.
If ____________________________________________________________________.
13. They won’t interview you for the job because you don’t speak English.
If _____________________________________________________________________.
14. I can't go on the excursion as I have to work at the weekend.
If _____________________________________________________________________.
F. Write a piece of advice using if.
1. My advice to you is not to open the door to strangers.
If I ___________________________________________________ the door to strangers.
2. My advice to you is to take notes during the lectures.
If I ____________________________________________________________________.
3. My advice to you is to attend the classes regularly.
If I ____________________________________________________________________.
4. My advice to you is not to go out with such a rude man.
If I ____________________________________________________________________.
G. Fill in the blanks with the correct forms of the given verbs.
A: I am going away to the seaside for a few days. Would you like to join me?
B: I (1a_________________(join) you if I (1b_________________ (have) so much work to do, but I
have to finish it. You know, there are lots of burglaries these days. You should be careful. Are
you friendly with the people next door? If I (2a) __________________ (be) you, I (2b)
_________________ (ask) them to keep an eye on my house while I'm away.
A: Thanks for reminding me. I 'll do that before I (3) __________________ (leave).
B: When will you be back?
A: I'm hoping to get the 9 o'clock train on Sunday morning, but if I (4a) __________________ (miss)
it, I (4b) __________________ (give) you a ring.
B: I (5) __________________ (be) at the station to meet you.
H. Read the following advertisement taken from a magazine and fill the gaps with the correct
form of the verbs.
If you (1a) _______________________ (want) to earn $ 15,000 to $ 20,000 per month,
(1b)__________________________ (keep) reading.
Most
of
you
work
a
lot,
but
do
you
ever
imagine
all
the
things
you
(2a)_____________________________ (do) if you (2b) _____________________________ (have to
/ work) so hard? Imagine what your life (3)______________________________ (be) like with a lot of
money.
Take
a
moment
to
think
about
these
questions.
Dreams
like
these
(4a)________________________ (come) true unless you (4b)_______________________ (make)
them happen.
Well, this simple home-based business will definitely help you realise your dreams. It is not a typical
get-rich-quick
scheme
that
promises
you
a
fortune
even
if
you
(5)_______________________________ (do) just a little. It’s a legal business, and you are paid
provided
you
(6)
______________________________
(work).
Admit
it,
you
(7a)_______________________________________ (start) to read this advertisement if you
(7b)________________________________ (be) content with your life. Stop saying or thinking “If
only
I
(8)____________________________
(9)___________________________
(can
(have)
/
travel)
a
lot
more
of
money”
often”.
or
It’s
“I
wish
time
I
you
(10)_______________________________ (take) action.
I. Rewrite the following sentences using the prompts in parentheses.
1. Susan regrets not following her father’s advice. (wishes)
Susan _________________________________________________________________________.
2. I don’t like the fact that you come home late. (would)
I wish _________________________________________________________________________.
3. You should eat less fast food. (were)
If I ____________________________________________________________________________.
4. Your flight might be delayed, so take something to read with you. (in case)
Take __________________________________________________________________________.
KEY
A. Complete each sentence giving computer advice using an if-condition, so that it has the same
meaning as the first sentence.
a Don't press that button on the keyboard, or you'll lose what you've written.
If you press that button on the keyboard, you'll lose what you've written
b
Make a back-up copy of your work or you'll lose it.
You won't lose your work if you make a back-up copy of it
c
You need virus protection to avoid having problems with your computer.
If you don't have a virus protection, you might/can have with your computer
If you want to avoid having problems with your computer, you need virus protection
d
Sitting too long at the computer will make your back and arms ache.
Your back and arms will ache if you sit too long at the computer
e
Don't turn off the computer before closing all programs, or you could have problems.
You could have problems if you turn off the computer before closing all programs
f
You'll lose your work unless you save it before closing the word-processing program.
If you don’t save your work before closing the word-processing program, you will lose it
g
You can save a lot of time by learning the keyboard short cuts.
If you learn the keyboard short cuts, you can save a lot of time
If you want to save time, you should learn the keyboard short cuts
h
Running too many programs at the same time will probably make the computer crash.
The computer will crash if you run too many programs at the same time
B. Choose the correct option, A, B or C, to complete the sentence.
1 You can start doing Section 2 if you______________________ Section 1.
2 Could you get me a book from the library, if I______________________ the details.
3 If______________________ a moment, I'll see if I can find another question paper for you.
4 I'll go over the figures again, if you______________________
5 If you______________________ the instructions, then of course you'll get the answers wrong!
6 If you______________________ a dictionary, then make sure you know how to use it!
7 If I finish my project on time, I______________________ a couple of days off!
1 A will finish
2 A give you
3 A you'll wait
4 A will think that helps.
5 A don’t read
6 A will use
7 A had better take
B are going to finish
B will give you
B you have waited
B think that will help
B read
B have used
B am able to take
C have finished
C have given you
C you wait
C will think that will help.
C won't read
C are going to use
C am going to take
C. Choose the correct option. A, B or C, to complete the sentence.
1
Why don't you use the Internet? If you had looked up the information on the net, you _______.
2
If Alice ______ a cycle helmet, she might have been seriously injured.
3
If there wasn't any water on the Earth, life _______.
4
Luckily I checked my diary. If I________ that, I would have completely forgotten her birthday.
5
You don't believe in yourself. That's why you failed your driving test. If you were more selfconfident, I'm sure you______.
6
If you travelled to the Sun at the speed of light, you_______ there in about eight and a half
minutes.
7
If you're thinking of having a sun-and-sea holiday, _______ yourself from the sun.
8
You can start looking at the next unit if you______________________ Exercise 5.
9
It's a lot quicker going by train than by car. And even if you_______ by car, it's impossible to find
anywhere to park,
10 If we ............... an hour extra every day, we could finish the project a week early.
1 A would know the answer B knew the answer
C will know the answer
2 A wasn't wearing
B hadn't been wearing C isn't wearing
3 A wouldn't have begun
B will not begin
C wouldn't begin
4 A hadn't done
B didn't do
C would do
B would have passed
C will pass
6 A arrive
B would have arrived
C would arrive
7 A you have protected
B you should protect
C you will protect
8 A would have finished
B finished
C have finished
9 A went
B had gone
C go
B have worked
C had worked
5 A passed
10 A work
'
D. Complete the sentence with a suitable form of the verb in brackets
If all the people on Earth 1 ____disappeared________ (disappear) tomorrow, nature 2___would
begin _____ (begin) to reclaim the planet. For a start, if people no longer 3__polluted______ (pollute)
the atmosphere, the air 4_____would soon__ (soon become) clean again. If there 5 __were____ (be)
no people to maintain buildings, they 6 ___would soon________ (soon begin) to decay, but more
solid parts 7__would take_____ (take) thousands of years to disappear. In general, if the 6.5 billion
humans no longer 8_____competed_______ (compete) with other species on Earth, most species
9___would benefit___ (benefit). For example, if humans no longer 10____caught____ (catch) fish,
the numbers of fish worldwide 11___would increase____ (eventually increase). However, if humans
12____vanished_____(vanish) from the Earth, endangered species of animals 13___would not
necessarily recover_____ (not necessarily recover) as some are already too few in number. Some
endangered species 14 ___would have ____ (have) greater difficulty surviving if no humans
15____took ____ (take) the trouble to protect them from other species. Even if we no longer 16 ___
poisoned_______ (poison) the planet, several decades 17 ___would go________ (go by) before all
dangerous chemicals 18______disappeared_________ (disappear). And even if the burning of fossil
fuels 19____ceased_____(cease) tomorrow, the oceans 20 ___would not absorb_____ (not absorb)
all the C02 in the atmosphere for thousands of years. In the end, though, if alien visitors
21____landed____ (land) on the Earth in 100,000 years’ time they 22____would find_____ (find) no
signs that an advanced civilization had ever lived here.
E.
1. it wasn't / weren't raining, we could / would be able to have the party in the garden
2. I was / were a travel agent, I could / would receive free air tickets
I was working at a travel agent’s, I could / would receive free air tickets
3. he was / were here (at the moment), he could help us
4. I had his phone number, I would be able to / could call him
5. you exercise regularly, you will never get fit
6. I knew Sally well enough, I would / could invite her to dinner
7. Don’t interrupt me while I’m working unless it is absolutely necessary
8. you apologize a thousand times, he will never forgive you
9. I didn’t have to clean my room, I could go out with you
10. she was / were in our class, I would know her name
11. she doesn’t get a scholarship, she will take a postgraduate course
12. he earned more /enough money, he would / could take a longer holiday
13. you spoke English, they would / might interview you for the job
14. I didn't have to work at the weekend, I could / would be able to go on the excursion
F. Write a piece of advice using if.
1.
2.
3.
4.
were you, I wouldn't open
were you, I’d take notes during the lectures
were you, I’d attend the classes regularly
were you, I wouldn’t go out with such a rude man
G. Fill in the blanks with the correct forms of the given verbs.
A: I am going away to the seaside for a few days. Would you like to join me?
B: I (1a)___would join____ (join) you if I (1b)___didn’t have___ (have) so much work to do, but I
have to finish it. You know, there are lots of burglaries these days. You should be careful. Are
you friendly with the people next door? If I (2a)__were___ (be) you, I (2b)__would ask_____
(ask) them to keep an eye on my house while I'm away.
A: Thanks for reminding me. I 'll do that before I (3)___leave_____ (leave).
B: When will you be back?
A: I'm hoping to get the 9 o'clock train on Sunday morning, but if I (4a)___miss___(miss) it, I
(4b)____will give____ (give) you a ring.
B: I (5)__will be ______ (be) at the station to meet you.
H.
1a. want
b. keep
2a. could do / would do / would be able to do
3. would be
4a. won’t / don’t / can’t come
5. do
6. work
7a. wouldn’t have started
8. had
9. could travel / were able to travel
10. took
b. didn’t have to work
b. make
b. were
I.
1. wishes (that) she had followed her father’s advice
2. you would come home early / earlier / on time
you wouldn’t come home (so) late
3. were you, I would eat less fast food
were you, I would not eat so much fast food
4. something to read with you in case your flight is delayed