Page 65 - Think 4. Teacher's Book B2

Unit 5
Too much tech? Grammar; Functions; Vocabulary

Warmer
Write the letters l, m, s, n t and n a t
on the board. Tell students that they GRAMMAR FUNCTIONS
are the initial letters of five modal Obligation, permission and Advice and obligation
prohibition (review)
WRITING Imagine an exchange student is coming
and semi-modal forms (let, must, 1 Complete the sentences from the text on page 49. 3 to your school for a few weeks. Write down three
should, need to and not allowed to). Then complete the rule with let, must, should, need rules and three pieces of advice to help them.
Elicit the forms and write them on to and not be allowed to. You have to arrive at school by 9 am.
the board. 1 Clearly, we do something 4 SPEAKING Work in pairs and compare your sentences.
SPEAKING
about this.
2 When you’re with others, you
always give them VOCABULARY
1 1 must 2 should attention. Technology (nouns)
RULE: 3 must 4 should RULE: To express obligation or necessity, we can use 5 Match the words with the photos. Write the
5 need to 6 let 7 not allowed to have to or 3 numbers in the boxes.
(as in sentence 1).
• To say something is (or isn’t) a good idea, we can use 1 adapter | 2 ‘at’ symbol | 3 charger | 4 headset
2 Read through the information in 4 as in sentence 2). 5 plug | 6 power lead | 7 protective case
the Look box in open class. Point • To express no obligation or necessity, we can use . 8 USB port | 9 webcam | 10 wireless router

don’t have to or don’t 5
out that we had contracts to we’d • To express permission, we can use

and to say
and should not be confused with 6 that something is not permitted we use
we would. 7 .
1 isn’t allowed to 2 ’re supposed to Look A B C
3 don’t let 4 ’d better turn • had better = something is a good idea and is often

Workbook p46 used as a warning. The form is always had better
+ the base form of verb, even when talking about D E F
the present.
Get it Right! • be supposed to = there’s an obligation to do
something, but in reality, people don’t always do
should it. It is always used in the passive form (like be
allowed to).
Student’s Book p124 G H I J
2 Complete the second sentence so that it has 6 Complete the sentences using the words
3 Check/clarify: exchange student. a similar meaning to the first sentence. Use the from Exercise 5.
word in brackets. Use between two and five words 1 There’s something wrong with that email address.
including the word given. There’s no in it.
4 Ask pairs to read out the most 1 Their son can’t go out after 8 pm. (allowed) ,
important rule and the best piece Their son go out after 8 pm. 2 I forgot to bring a UK
so I couldn’t plug in my laptop.
of advice they came up with. 2 Our teacher expects us to put up our hand if we 3 I left the for my phone
want to ask a question. (supposed) at home and I’m almost out of battery. Can I
We put up our hand if we borrow yours?
want to ask a question. 4 You can’t get a wi-fi signal? Have you checked if the

5 During feedback, say the words 3 Their young daughter isn’t allowed to watch TV all 5 My laptop’s only got one is switched on? ,

day. (let)
for students to repeat. Pay They their young so I can’t plug in my mouse and my phone at the
attention to the unstressed schwa daughter watch TV all day. same time.
in the final syllable of adapter, 4 You should really turn off the TV if you don’t want 6 I couldn’t use my laptop. I left the

at home and it was out
to get a headache. (better)
charger, power and router. You off the TV if you of battery.
A 8 B 4 C 1 D 9 E 5 F 3 don’t want to get a headache. 7 I’m going to plug in my .
I don’t want everyone to hear what you’re saying.
G 2 H 6 I 7 J 10 workbook page 46 8 It’s the wrong . You need
an adaptor.
workbook page 48
6 Check/clarify: out of battery. 50
1 ‘at’ symbol 2 adapter 3 charger
4 wireless router 5 USB port
6 power lead 7 headset 8 plug To describe an internal obligation (an order we give ourselves), use must, e.g.
Workbook p48
My trainers are too small. I must get some new ones. To describe an external
obligation or rule (one given by somebody else), use have to, e.g. My PE teacher
Language note Obligation, said my trainers are too small, so I have to get some new ones!
permission and prohibition In both cases the negative form is mustn’t, e.g. You must arrive by 9 a.m. = You
Explain the difference between mustn’t arrive late; I have to arrive by 9 a.m. = I mustn’t arrive late. I don’t have
have to and must. In the present to arrive late.
affirmative form, you can use either. To describe an obligation to not do something, use mustn’t. To say that there is
However, there is a slight distinction no obligation, use don’t have to, e.g You mustn’t do that! (It is not permitted.)
in the first person. You don’t have to do that. (There is no obligation to do it, but you can if you
want to.) Reinforce that don’t have to expresses a lack of obligation in a similar
more way to don’t need to.
When orders are official, for example on notices or documents, we usually use
must, e.g. Passengers must keep their bags with them at all times.
Workbook
Grammar p46, Ex.1–4
Vocabulary p48, Ex.1–3
Culture note
Worksheets The ‘at’ sign (@) does not have a singular English word unlike French (arobase)
Grammar Worksheets 5 or Spanish and Portuguese (arroba). On some social media forums, usernames
Vocabulary Worksheets 5
(or ‘handles’) are in the form @johnsmith.
T50 Too much tech? | Unit 5