Module 2
Fighting global warming
Grammar
The Imperative (affirmative)
AB page 14 / exercise 3
3 Underline the correct form of the verbs.
a. Walk/Walks to school.
b. Plants/Plant trees in your garden.
c. Turns/Turn down the air conditioning and wears/wear cool clothes in summer
d. Wears/Wear warm clothes in winter.
e. Turn off/Turns off your computer when you don’t use it.
f. Brush/Brushes your teeth with the water tap off.
Answers: a. Walk b. Plant c. Turn, wear d. Wear e. Turn off f. Brush
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AB page 14 / exercise 4
The Imperative (negative)
4 Underline the correct form of the verbs.
a. Don’t drive/Doesn’t drive to work.
b. Do not play/Don’t plays computer games all the time
. c. Doesn’t throw away/Do not throw away used supermarket bags.
d. Do not leave/Does not leave the lights on when you leave a room.
e. Don’t take/Do not takes the bus; walk!
Answers : a. Don’t drive b. Do not play c. Do not throw away d. Do not leave e. Don’t take
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AB page 14 / exercise 5
The Present Simple (adverbs of frequency)
5 Cross out the adverb in the wrong place.
a. My mother never drives never to work.
b. We always reuse always old paper at home.
c. My friends sometimes come sometimes to school by car.
d. I never remember never to turn off the lights.
e. My father sometimes cycles sometimes to work.
f. My friends and I never walk never to school.
Answers :
a.My mother never drives neverX to work.
b. We always reuse alwaysX old paper at home.
c. My friends sometimes come sometimesX to school by car.
d. I never remember neverX to turn off the lights
. e. My father sometimes cycles sometimesX to work.
f. My friends and I never walk neverX to school.
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AB page 15 / exercise 1
Second section
The Imperative (affirmative)
1 Complete the instructions for this experiment with the correct form of these verbs. Two words are used more than once.
| Write/ Get /Add/ Look /take out/ Place / Cut |
Answers: 1. Get 2. Add 3. Place 4. Look 5. Write 6. take, out 7. Cut 8. Look 9. Write
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AB page 15
Science Experiment:
The purpose of this experiment is to show how pollution spoils our ground, our water and our food.
1 Get a glass of water, red ink and a stalk of celery.
2_____________ several drops of red ink to the water in the glass.
3____________ the celery stalk in the glass.
4 ____________at the changes in the celery stalk during the school day.
5___________ your observations.
6 At the end of the school day_______________, the stalk _______________of the water.
7 ___________an inch off the bottom of the stalk.
8 ______________at both ends of the stalk.
9 ___________what you see.
Answers : 1. Get 2. Add 3. Place 4. Look 5. Write 6. take, out 7. Cut 8. Look 9. Write
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AB page 15 / exercise 2
The Imperative (negative)
2 Make sentences about what you mustn’t do in order to save our planet.
a. to / ask / your / to / Don’t / you / school! / dad / drive Don’t ask your dad to drive you to school!
______________________________________________________________
b. when / Don’t / leave / water / you / teeth! / your / the / brush / running
_______________________________________________________________
c. leave / the / on / time! / Don’t / the / computer / all
________________________________________________________________
d. old / throw / your / away / toys! / Don’t
________________________________________________________________
e. need! / buy / things / you / Don’t / don’t
______________________________________________________________
Answers:
a. Don’t ask your dad to drive you to school!
b. Don’t leave the water running when you brush your teeth!
c. Don’t leave the computer on all the time!
d. Don’t throw away your old toys!
e. Don’t buy things you don’t need!
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The Imperative (affirmative and negative)
AB page 16 / exercise 3
3 Fill in the recycling instructions with the correct form of these verbs. One word is used more than once.
| Not/ put in/ place/ Rinse/ Find/ Check /recycle/ Not recycle |
How to recycle glass
1 Check your local recycling programmes for the type of glass to recycle.
2 __________and ____________bottle glass of any colour.
3 ______________any broken glass.
How to recycle aluminium
4 . ____________where to recycle aluminium.
5. _______________and ______________aluminium cans, caps and lids in the same recycle bin.
6 ___________cans containing dangerous materials
Answers: 1. Check 2. Rinse, recycle 3. Don’t put in 4. Find 5. Rinse, place 6. Don’t recycle
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AB page 16 / exercise 4
The Present Simple (affirmative, negative and interrogative)
4 Use the words in brackets to complete the questions. Then answer the questions.
a. (people / cause) global warming? Do people cause global warming? Yes, they do.
___________________________________________________________
b. (you / reuse) paper cups?
_____________________________________________________________
c. (your father / drive) to work every day?
_________________________________________________________________
d. How often (you / cycle) to school?
___________________________________________________________________
e. What (your family / recycle)?
_____________________________________________________________________
Answers:
a. Do people cause global warming? Yes, they do.
b. Do you reuse paper cups? (Students’ own answer)
c. Does your father drive to work every day? (Students’ own answer)
d. How often do you cycle to school? (Students’ own answer)
e. What does your family recycle? (Students’ own answer)
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AB page 16 / exercise 5
5 Complete this text with the correct form of the verbs in brackets.
Climate (1) is (be) a sort of “machine”. The weather __________(2) (be) a small part of this machine, but it’s what you and I (3)________ (notice): a storm, a drought, very hot weather or very cold weather. The sun (4)_________ (make) this possible. It (5) __________(warm) the air. Hot air (6)________________ (rise), (7) _________(expand) and (8)_________ (make) clouds and eventually rain.
Answers; 1. is 2. is 3. notice 4. makes 5. warms 6. rises 7. expands 8. makes
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The Present Simple and Adverbs of Frequency
AB page 17 / exercise 6
6 Use these words to write sentences. Put the adverb in the correct place.
a. my / floods / never / in / happen / country /. Floods never happen in my country
_________________________________________________________________
. b. throws / My / always / mother / away / my / sister’s /. / baby / nappies
___________________________________________________________________
c. to / sometimes / We / the / centres / to / glass /. / recycle / go / recycling
____________________________________________________________________
d. usually / At / we / recycle / . / home, / junk / mail
____________________________________________________________________
e. aluminium / his / friend / and / often / cans /. / family / My / Ahmad / recycle
____________________________________________________________________
Answers: a. Floods never happen in my country.
b. My mother always throws away my baby sister’s nappies.
c. We sometimes go to the recycling centres to recycle glass.
d. At home, we usually recycle junk mail.
e. My friend Ahmad and his family often recycle aluminium cans.
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AB page 17 / exercise 7
7 Write questions and answer them. Use the adverbs of frequency sometimes, never or always.
a. How often / you / reuse envelopes? How often do you reuse envelopes? I always reuse envelopes.
________________________________________________________
b. How often / your sister / give away old toys?
__________________________________________________________
c. How often / your family / recycle glass?
_____________________________________________________________
d. How often / your teacher / throw away junk mail?
______________________________________________________________
e. How often / you and your classmates / turn off your computers when you leave the room?
____________________________________________________________
Answers:
a. How often do you reuse envelopes?
b. How often does your sister give away old toys?
c. How often does your family recycle glass?
d. How often does your teacher throw away junk mail?
e. How often do you and your classmates turn off your computers when you leave the room?
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AB page 17 / exercise 8
8 Write five sentences about the things you, your family and your friends do to save the planet. Use one of the adverbs in the box in every sentence.
always / never/ usually /sometimes /often
Example: My sister often turns off the water when she brushes her teeth. I never do.
Example sentences: My sister often turns off the water when she brushes her teeth. I never do. My brother always cycles to work. My family usually recycles glass bottles. My friend Salma sometimes turns the computer off when she is not using it. My father never goes on holiday by plane.
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AB page 18 / exercise 9
9 In your notebook, ask and answer questions about Abla and Saleem using How often ...?
Example answers: How often does Abla play computer games? She never plays computer games. How often does Saleem turn off the water while brushing his teeth? He always turns off the water while brushing his teeth. How often does Abla recycle aluminium cans? She sometimes recycles aluminium cans.
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Ab page 18 / exercise 10
10 Are Abla and Saleem good weather warriors? Why? What about you? Write three sentences. Abla is / isn’t a good weather warrior because she …
Example answers: Abla is a good weather warrior because she often turns off the water while brushing her teeth, she always wears cool clothes in summer and turns off the air conditioning in summer. Saleem is a good weather warrior because he always recycles tin cans, always turns off the water while brushing his teeth and always turns off the air conditioning in summer. I ... (Students’ own answer)