Learn about rules and rights with the help of modal verbs have to, must and can

LET’S SPEAK ABOUT YOUR WORK. IS IT INTERESTING OR BORING ( TEDIOUS)?
DO YOU HAVE TO FOLLOW A LOT OF RULES AT WORK?

TEACHER — Pavel Gibkiy (Гибкий Павел);
STUDENT — Valeriy Kaminskiy (Каминский Валерий);

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You have to be at work on time.
1. Is it necessary for you to be at work on time?
2. Is it possible for you to avoid this rule( not to follow)?

We use ‘have to’ to talk about things that are necessary and hardly possible to avoid.

Is it necessary for you to play computer games?
Yes;
NO;
Is it possible for you not to play them?

We use ‘ don’t have to’ to talk about unnecessary things.

What do we use ‘have to’ to talk about?
necessary things
unnecessary things?

What do we use ‘ don’t have to’ to talk about?
necessary things
unnecessary things?

Try to make three sentences using have to. The model will help you.

Imagine that you are the boss in your company.
What rules your employees have to follow?
They have to come to work on time..

You must be at work every day.
Is it a strict rule?
Is it possible to avoid it? (not to be at work)?
impossible

We use must to speak about strict rules.
Note: have to do, but must do!
It is impossible to avoid them.

At work you mustn’t use your mobile phone.
Does your boss forbid (doesn’t let) you to use your mobile phone?

Imagine that you are a boss of a big IT-company.
Make a list of 5 strict rules your employees must always follow.
They must work well..

Fill in the gaps using can, have to and must
( )YOU SPEAK ENGLISH ? YES, I ( ) SPEAK IT WELL!
I ( ) GET UP EARLY EVERY DAY! IT IS SO ANNOYING!
YOU ( ) MUST ALWAYS COME TO WORK ON TIME!

Summarizing table