What does “I have to do something” mean?
It is necessary to do it.
I’m obligated to do it.
In which kind of sentences do we use « do/does/did?
we use do,does,dod in
- questions and
- negative sentences
What is similar to must?
have to
We use must or have to to express what?
we use must or have to to give our own opinion
example:
* to say what you think is necessary
* or to recommend someone to do something
What do we use to say that someone is
* « obliged to do »
we use « have to »
what is used in written rules and instructions?
must
example:
Applications for the job must be received by 18 May.
for what do we NOT use must?
you cannot use must to talk about the past
example:
We didn’t have much time. We had to hurry.
not we must hurry
are « mustn’t and don’t have to » similar?
mustn’t and don’t have to are completely different
What can we use to replace « have to » ?
have got to
What does « you mustn’t do something » means?
It is necessary that you not do it
What does « you don’t have to do something » means?
you don’t need to do it ( but you can do it)