Unit 7. Saving energy

Welcome!
1. Choose the best answer:
My hobbies are collecting stamps _______ playing football.
A. and B. or C. so
2. Choose the best answer:
It’s too dark here. Can you _______ the lights?
A. look for B. look after C. turn on
3. Choose the best answer:
I suggest ___________ showers to save water.
A. take B. taking C. to take

Lucky number
i
FINDING THE GIFTS
1
i
i
i
2
3
4
Connectives
Phrasal verbs
Making suggestions

Lucky number
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5
Language focus
- Connectives
- Phrasal verbs
- Making suggestions
UNIT 7: SAVING ENERGY
LESSON 6: LANGUAGE FOCUS
1. Solar energy can be cheap and clean.
and
or
2. Do you like Math or English?
because
3. I stay at home because it’s raining hard.
so
therefore
4. He worked hard, so he passed the exam.
5. His family was poor. Therefore, he couldn’t go to school.
but
however
6. He worked hard but failed the exam.
7. That man is rich. However, he is not happy.
Match each connective in column A with its meaning and use in column B
I. Connectives:
a. Mrs. Quyen bought corn, potatoes _____________ cabbages at the
market. (and / or)
b. I’d love to play volleyball ______________ I have to complete an
assignment. (and / but)
c. Nam got wet ______________ he forgot his umbrella. (so / because)
d. Hoa failed her math test. ________________, she has to do the test
again. (However / Therefore)
e. Do you want Vietnamese tea _____________ milk tea? (and / or)
f. It’s raining, ______________ I can’t go to the beach. (so / however)
g. Ba’s hobbies are playing football _________________ collecting
stamps. (and / or)
h. Na is very tired. ____________________, she has to finish her
homework before she goes to bed. (However / Therefore)


1. Complete the sentences. Use the correct connectives
I. Connectives:
and
but
because
Therefore
or
so
and
However
Turn off the lights before leaving our classroom.
verb
prep
Phrasal verb
II. Phrasal verbs:
1. turn on

2. turn off

3. look for

4. look after

5. go on
a.
b.
e.
d.
c.
II. Phrasal verbs:
tiếp tục
tìm kiếm
mở, bật
chăm sóc
tắt, đóng
Note:
look after
looking after
looked after
Complete the sentences. Use the right tense form of the phrasal verbs and the right pictures
turn on - turn off - look for - look after - go on
a. Hanh can’t go to the movies with us tonight. She will have to ____________ her little sister.
b. If we _________ wasting water, there will be a shortage of fresh water in a few decades.
c. “I think I’ve lost my pen. I’ve ______________It everywhere but I can’t find it anywhere.”
d. “_____________ the TV for me, will you? I want to watch the weather forecast.”
e. Mrs. Yen forgot to _______________ the faucet when she left for work.
look after
go on
Turn on
turn off
looked for
II. Phrasal verbs:
I / suggest / for / collecting / money / the poor people.
S + suggest(-) + V-ing + .....
→ I suggest collecting money for the poor people.
III. Make suggestions:
1. collect unused clothes

2. organize a show to raise money

3. give lessons to poor children

4. help elderly people with their chores
S + suggest(-) + V-ing + .....
 I suggest collecting unused clothes
 I suggest organizing a show to raise money
 I suggest giving lessons to poor children
 I suggest helping elderly people with their chores
III. Make suggestions:
a. Your class wants to help the poor in the neighborhood of your school. The following ideas may help you.
I / suggest / you / work harder. / that / should
S + suggest(-) + (that) + S + should + V-infinitive + ......
2
III. Make suggestions:
 I suggest that you should work harder.
1. write sentences with new words

2. speak English in class

3. buy a good dictionary

4. do some reading everyday

S + suggest(-) + (that) + S + should + V-infinitive + ....
 I suggest (that) you should write sentences with new words.
 I suggest (that) you should speak English in class.
 I suggest (that) you should buy a good dictionary.
 I suggest (that) you should do some reading every day.
III. Make suggestions:
b. Your friend wants to improve his/ her English. The following
ideas may help you.
Rewrite the following sentences:
III. Make suggestions:
Example:
Why don’t we go to school by bike?
I suggest _____________________________________________.
1. Why don’t we collect unused clothes for the poor people.
I suggest ____________________________________________.

2. What about organizing a show to raise money?
I suggest we _________________________________________.

3. I suggest taking showers to save water.
How about __________________________________________.
going to school by bike
collecting unused clothes for the poor people
should organize a show to raise money
taking showers to save water
Find the mistake in each of the following sentences
1. I looked after my new pen everywhere but I couldn’t find it.
A B C D
2. Bob failed his English test, but he has to do the test again.
A B C D
3. “Turn off the TV for me, will you? I want to watch the news”
A B C D
4. Remember to turn on the lights before leaving the house.
A B C D
5. We suggest to put garbage bins around the school yard.
A B C D
Language focus
And
Connectives
So
But
Therefore
However
Because
Or
Turn on
Phrasal verbs
Look for
Turn off
Go on
Look after
S + suggest (-) + Ving + ....
S + suggest (-) + (that) + S + should + V + ....
Making suggestions
HOMEWORK
* Do exercises 1; 4; 5; 6 (page 47 - 49 - workbook)
* Review:
- Adj + Adv
- Adv clause of reason (as; because; since)
- Conditional sentences: Type 1
- Connectives
- Phrasal verbs
- Make suggestions
Thanks for YOUR attention
Example:
That man is rich. However, he is not happy.
1. It rains heavy but she goes to school on time.
2. Hoa worked hard, so she passed her exam.
3. His family was poor. Therefore, he couldn’t go to school.
I. Connectives:
4. She failed her final exam because she didn’t study hard.
6. I like carrots and cabbages.
5. Do you like carrots or cabbages?
Underline the connectives in the following sentences: