2. You dont have to have special qualifications. Its obligatory
to have Its not necessary to
havequalifications.qualifications.
3. You have to practice in a safe place before ironing on a
mountain.Its necessary to practice Its not required to practice in
a safe place first. extreme ironing.
4. You must iron sth bigger than a handkerchief. Its obligatory
to iron Its best if you ironsomething.something bigger than
ahandkerchief.
5. You mustnt use plastic or toy irons. Its not correct to use
a Its not allowed to useplastic or toy iron.plastic or toys
irons.
6. You should iron in an unusual place. Its best if you iron in
an You have to iron in anunusual place.unusual place.
7. You shouldnt do extreme iron on your own. If you go alone,
its OK. Its not allowed to doextreme iron alone.
8. HAVE TO To express responsibility or necessity. In everyday
conversations. Softer obligation. In the Present, Future or the
Past.
9. SHOULD To say what is best or right thing to do. Softer
necessity.
10. MUSTNT To express something is not allowed or
forbidden.
11. NOT HAVE TO To say that something is not necessary or that
you are notobliged to do it. It expresses the idea that something
is not required. It ishowever, possible or desired.