Cambridge English Empower B1 Pre-Intermediate Workbook PDF

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corso inglese B1 per apprendimento della grammatica e della conoscenza della lingua inglese per livello intermedio Cambridge English Empower B1 Pre-Intermediate Workbook with Answ...

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We use MUST and HAVE TO: to say something is necessary, a rule We often use MUST in written rules (e.g. notices and documents) Seat belts must be worn by all passengers All patients must wash their hands

People in authority often use MUST when they are speaking (teachers, parents) You must wear a helmet. I won’t let you ride without it (person with authority, like a parent) You must switch off your mobile phone (person of authority, like a parent or teacher)

We use MUSTN’T and CAN’T: to say something is forbidden – it is important NOT to do something

You mustn’t smoke in here Guests must not make noise after 10 p.m. Students must not talk in the exam room You can’t smoke here You can't take photos in the museum. They're really strict about it. Children can’t go outside alone

CAN’T also means something is not possible Bankers can’t relax for a minute

We use CAN to say something is allowed (consentito, permesso)

You can take a one hour lunch break You can borrow up to 5 books from the library

DON’T HAVE TO: used to express an absence of obligation, to say something is not necessary

You don't have to wear a tie in our office but some people like to dress more formally.

He doesn’t have to work because he is rich. You don't have to go to the bank to do a transfer. You can do it online. You don't have to come with me, honestly. I'll be fine!

SUMMARY NECESSARY, A RULE

NOT ALLOWED, A RULE

must

mustn’t

have to

can’t

ALLOWED

NOT NECESSARY

can

don’t have to...