Comparative adjective
Can/can't; must/mustn't
100

basketball/players are/tall/than footbalers

Basketball players are TALLER tna footbalers.

100

_________ use your mobile phones in class?

a. Do you can

b. Can you

c. Must you

No, we ______

Can you use your mobile phones in class?

No, we can't.

200

in England, July is/hot/than February

In England, July is hotter than February.

200

We ______ give our phones to the teacher at the beginning of the lesson.

a. can

b. must

c. mustn't

We MUST give our phones to the teacher at the beginning of the lesson.

300

eating in a restaurant is/expensive/than cooking at home

Eating in a restaurant is more expensive than cooking at home.

300

We ____ have them in class, that's OK, but we ____ use them when the teacher is speaking, that's not possible.

a. can                          a. can

b. must                        b. mustn't

c. can't                         c. must

We CAN have them in class, that's OK, but we MUSTN'T use them when the teacher is speaking, that's not possible.

400

the weather in Scotland is/bad/than the weather in Spain

The weather in Scotland is worse than the weather in Spain.

400

Our phones _____ always be in our bags - that's the rule.

In some classes we _____ use them if we want, but only to look for words or information.

a. mustn't                     a. can

b. can                           b. must

c. must                         c. can't

Our phones MUST always be in our bags - that's the rule.

In some classes we CAN use them if we want, but only to look for words or information.

500

travelling by bicycle is /cheap/than travelling by train.

Travelling by bicycle is cheaper that travelling by train.

500

But of course, we _______ look at social media or send text messages.

a. can

b. must

c. mustn't

But of course, we MUSTN'T look at social media or send text messages.