Page 100 - Think 3. Teacher's Book B3+

Unit 9
It’s a mystery! Grammar; Vocabulary

Warmer
Draw a line on the board with I always
think very carefully before doing VOCABULARY
things on the far right and I never think Mysteries
carefully before doing things. I just do 24 3 Add the missing vowels to make adjectives related to
mysteries.
it! on the far left. Ask students to copy 1 n x p l n d mysteries
the line and put a cross on the line 2 d d behaviour
to show how much they think before GRAMMAR 3 l n life form
Modals of deduction (present)
acting. Divide the class into small 4 s t r n g figure
5 x t r t r r s t r l spaceman
groups and ask students to compare 1 Complete the sentences from the article on 6 m y s t r s writing
page 85. Use must, can’t, could and might.
and give examples to explain the Then complete the rule. 7 p z z l n g pictures
positioning of their cross. Come back 1 You see an octopus hop from one 8 a s c r t code
rock pool to another.
to this later in the lesson. 2 Some of the giant stone balls date 4 Answer the questions about the words from Exercise 3.
back to 200 BCE. 1 Which two words mean ‘from another world’?
3 Most people agree that the image be 2 Which word means ‘known by very few people’?
a spaceman.
24 Grammar rap! 4 Others say that it be a secret code. 5 Complete the text with the adjectives from Exercise 3.
Modals of deduction RULE: I left for school at the usual time, but something
(present) When we’re sure something is true, we use seemed wrong. The streets were empty and there was
5
feeling in the air. I passed a few people,
a 1 m
.
When we’re sure something isn’t true, but they all seemed rather 2 o . I didn’t see
we use 6 . anyone from school on the way. When I got to school,
1 Ask students to try to complete When we think something is possibly true, . the gates were closed. Why were they closed? I looked
but aren’t sure, we use 7
or
at my watch – 9 am. The gates should be open.
the sentences from memory This was most 3 p .
before referring back to the 2 Complete the sentences with suitable modal I pushed the gates open and walked inside. Where
article to check. Encourage them verbs. Sometimes there’s more than one was everyone? Had they been transported away by
possible answer.
to underline the sentences in the 1 They’re speaking Spanish, so they be some 4 e beings and taken to an 5 a
planet? Had they all been taken away as part of some
from Argentina, I suppose.
reading text. 2 She love cats – she’s got 20. 6 s government experiment? What should I do?
Run away? No, this was one mystery that couldn’t be
1 might 2 could 3 can’t 4 must 3 You want more – you’ve already eaten left 7 u . I had to find out where everyone was.
RULE: 5 must 6 can’t 7 might, two whole pizzas! I opened the school door and walked inside. I saw a
could 4 I’m not sure, but I think that man man – it was Mr Barnes, who looked after the school.
need our help. I don’t think he can swim.
5 You’ve been working all day. You feel I ran up to him. ‘Thank goodness!’ I cried. ‘Where is
everyone?’ He gave me a 8 s
look.
2 You may like to do the first item really tired.
with the whole class as an example. 6 He’s a bit older than John, but he ‘At home, probably,’ he replied. ‘It’s Saturday morning.’
know him. I think they went to the same
1 might/may/could 2 must school.
3 can’t 4 might/may/could 7 Tim be happy. He studied really hard,
but he still failed the test.
5 must 6 might/may/could 8 It’s the world’s oldest mystery. You
7 can’t 8 can’t know the answer.
Workbook p82 workbook page 82
Get it Right!
Modals of deduction in the present
workbook page 84
Student’s Book p125
86
3 During feedback, focus on
pronunciation. Draw attention to
the word stress in unexplained, 4 1 extraterrestrial, alien 2 secret
mysterious and extraterrestrial.
1 unexplained 2 odd 3 alien 5 Ask students to read the text quickly, ignoring the gaps, to answer the
4 strange 5 extraterrestrial question: Why was no one at school? (It was Saturday.)
6 mysterious 7 puzzling 8 secret 1 mysterious 2 odd 3 puzzling 4 extraterrestrial 5 alien 6 secret
7 unexplained 8 strange
Workbook p84
Language note Modals of deduction (present)
The opposite of must be when making deductions is can’t be, not mustn’t be.
more Could/might have similar meanings when used to make deductions. It is also
possible to use may in this context.
Workbook
Grammar p82, Ex.1–2 Activity idea Fast finishers
Vocabulary p84, Ex.1–2
Vocabulary Extra p85, Ex.1–4 Students use modal verbs of deduction to write sentences about the four
mysteries in the article on page 85.
Worksheets
Grammar rap! Modals of deduction (present)
Grammar Worksheets 9
Vocabulary Worksheets 9

T86 It’s a mystery! | Unit 9